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About High-Quality Rulers
What separates a throwaway ruler from one you’ll keep for decades, which type is best for everyday use, and how to compare materials.
High-Accuracy Rulers
Satin Chrome-Plated Steel
Rulers | Rulers with Calibration Certificate | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Back Graduations (Numeric Graduations) | Accuracy | Wd. | Thk. | Mfr. Model No. | Each | Each | ||||
Inch | ||||||||||||
Rulers | ||||||||||||
| 6" | 1/64" (8/64"), 1/32" (4/32") | 1/8" (1"), 1/16" (1") | -0.0035" to 0.004" | 1/2" | 1/64" | — | 2042A55 | 000000 | ——— | 0 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/50" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 1/2" | 1/64" | — | 2042A65 | 00000 | ——— | 0 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/50" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 3/4" | 3/64" | — | 2042A81 | 00000 | ——— | 0 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 1/2" | 1/64" | — | 2042A61 | 00000 | 2056A32 | 000000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 3/4" | 3/64" | — | 2042A76 | 00000 | 2056A16 | 00000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/50" (1/10") | -0.0035" to 0.004" | 1/2" | 1/64" | — | 2042A68 | 00000 | ——— | 0 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/50" (1/10") | -0.0035" to 0.004" | 3/4" | 3/64" | — | 2042A85 | 00000 | ——— | 0 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/8" (1"), 1/16" (1") | -0.0035" to 0.004" | 3/4" | 3/64" | — | 2042A72 | 00000 | 2056A11 | 00000 | ||
Starrett Rulers | ||||||||||||
| 6" | 1/64" (8/64") | 1/16" (1"), 1/32" (4/32") | -0.0035" to 0.004" | 1/2" | 1/64" | C309R-6 | 2285A21 | 00000 | ——— | 0 | ||
| 6" | 1/64" (8/64"), 1/32" (4/32") | 1/8" (1"), 1/16" (1") | -0.0035" to 0.004" | 3/4" | 3/64" | C604R-6 | 2117A11 | 00000 | 2117A69 | 00000 | ||
| 6" | 1/64" (8/64"), 1/32" (4/32") | 1/8" (1"), 1/16" (1"), 1/32" (4/32") | -0.0035" to 0.004" | 3/4" | 3/64" | C604RE-6 | 2117A27 | 00000 | ——— | 0 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/50" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 1/2" | 1/64" | C316R-6 | 2285A35 | 00000 | ——— | 0 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/50" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 3/4" | 3/64" | C616R-6 | 2117A21 | 00000 | ——— | 0 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 1/2" | 1/64" | C305R-6 | 2285A5 | 00000 | 2117A75 | 00000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/50" (1/10") | -0.0035" to 0.004" | 1/2" | 1/64" | C303R-6 | 2285A25 | 00000 | ——— | 0 | ||
Inch/Metric | ||||||||||||
| 6"/150 mm | 1/32" (4/32"), 1/64" (8/64") | 0.5 mm (10 mm), 1 mm (10 mm) | -0.0035" to 0.004"/-0.09 mm to 0.1 mm | 1/2" | 1/64" | — | 6823A7 | 00000 | ——— | 0 | ||
| 6"/150 mm | 1/32" (4/32"), 1/64" (8/64") | 0.5 mm (10 mm), 1 mm (10 mm) | -0.0035" to 0.004"/-0.09 mm to 0.1 mm | 3/4" | 3/64" | — | 6823A5 | 00000 | 2056A22 | 00000 | ||
Satin Chrome-Plated Steel with Easy-Align Hook End
![]() |
Rulers | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Back Graduations (Numeric Graduations) | Accuracy | Wd. | Thk. | Mfr. Model No. | Each | |||
Inch | ||||||||||
Starrett Rulers | ||||||||||
| 6" | 1/64" (8/64"), 1/32" (4/32") | 1/8" (1"), 1/16" (1") | -0.0035" to 0.004" | 3/4" | 3/64" | CH604R-6 | 2113A21 | 000000 | ||
Wear-Resistant Titanium Nitride (TiN)-Coated Steel
Rulers | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Back Graduations (Numeric Graduations) | Accuracy | Wd. | Thk. | Each | |||
Inch | |||||||||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 1/2" | 1/64" | 19845A13 | 000000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/100" (1/10") | -0.0035" to 0.004" | 3/4" | 3/64" | 19845A17 | 00000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/8" (1"), 1/16" (1") | -0.0035" to 0.004" | 1/2" | 1/64" | 19845A11 | 00000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/8" (1"), 1/16" (1") | -0.0035" to 0.004" | 3/4" | 3/64" | 19845A15 | 00000 | ||
Inch/Metric | |||||||||
| 6"/150 mm | 1/32" (4/32"), 1/64" (8/64") | 1 mm (10 mm), 0.5 mm (10 mm) | -0.0035" to 0.004"/-0.09 mm to 0.1 mm | 1/2" | 1/64" | 19845A19 | 00000 | ||
| 6"/150 mm | 1/32" (4/32"), 1/64" (8/64") | 1 mm (10 mm), 0.5 mm (10 mm) | -0.0035" to 0.004"/-0.09 mm to 0.1 mm | 3/4" | 3/64" | 19845A21 | 00000 | ||
Rulers
Corrosion-Resistant Stainless Steel
Rulers | Rulers with Calibration Certificate | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Back Graduations (Numeric Graduations) | Wd. | Thk. | Each | Each | ||||
Inch | ||||||||||
Left-to-Right Reading Direction | ||||||||||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/10" (1/10"), 1/100" (1/10") | 15/32" | 1/64" | 2388A71 | 00000 | 20265A458 | 0000000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/8" (1"), 1/16" (1") | 3/4" | 1/32" | 2388A72 | 0000 | ——— | 0 | ||
| 6" | 1/16" (1/8"), 1/8" (1/8") | 1/64" (8/64"), 1/32" (4/32") | 1" | 1/32" | ——— | 0 | 20265A451 | 000000 | ||
Inch/Metric | ||||||||||
Left-to-Right Reading Direction | ||||||||||
| 6"/150 mm | 1/32" (1"), 1/16" (1") | 1 mm (10 mm), 1 mm (10 mm) | 1" | 1/32" | 2120A23 | 0000 | 20265A41 | 00000 | ||
| 6"/150 mm | 1/32" (1"), 1 mm (10 mm) | — | 1" | 1/32" | ——— | 0 | 20265A6 | 00000 | ||
| 6"/150 mm | 1/16" (1"), 1/32" (1"), 1/64" (1") | 0.5 mm (10 mm), 1 mm (10 mm) | 3/4" | 1/32" | 2388A62 | 0000 | ——— | 0 | ||
| 6"/150 mm | 1 mm (10 mm), 1/16" (1") | — | 15/32" | 1/32" | 2388A63 | 0000 | ——— | 0 | ||
| 6"/150 mm | 1 mm (10 mm), 1/16" (1"), 1/32" (4/32") | — | 3/4" | 1/32" | 2388A55 | 0000 | ——— | 0 | ||
Stainless Steel with Antislip Backing
![]() | ![]() |
Antislip Backing |
Rulers | ||||||||
|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Front First Inch Graduations (Numeric Graduations) | Wd. | Thk. | Each | |||
Inch | ||||||||
Left-to-Right Reading Direction | ||||||||
| 6" | 1/16" (1"), 1/16" (1") | 1/32" (1"), 1/32" (1") | 1 1/8" | 1/16" | 1943A21 | 000000 | ||
Inch/Metric | ||||||||
Left-to-Right Reading Direction | ||||||||
| 6"/150 mm | 1/16" (1"), 1 mm (10 mm) | — | 1 1/8" | 1/16" | 1943A31 | 00000 | ||
Pocket Rulers
Corrosion-Resistant Stainless Steel
Rulers | ||||||||
|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Wd. | Thk. | End Shape | Each | |||
Inch/Metric | ||||||||
Left-to-Right Reading Direction | ||||||||
| 6"/150 mm | 1/64" (8/64"), 1 mm (1 cm) | 1/2" | 1/64" | Round | 2388A57 | 00000 | ||
| 6"/150 mm | 1/32" (1"), 1 mm (10 mm) | 1/2" | 1/64" | Round | 6813A71 | 0000 | ||
| 6"/150 mm | 1/16" (1"), 1 mm (10 mm) | 1/4" | 1/64" | Square | 6813A64 | 0000 | ||
| 6"/150 mm | 1 mm (10 mm), 1/16" (1") | 1/2" | 1/64" | Round | 2388A51 | 0000 | ||
Inch | ||||||||
Left-to-Right Reading Direction | ||||||||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/2" | 1/64" | Round | 6813A61 | 0000 | ||
| 6" | 1/32" (1"), 1/64" (8/64") | 1/4" | 1/64" | Square | 6813A63 | 0000 | ||
Lightweight Aluminum
Rulers | ||||||||
|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Wd. | Thk. | End Shape | Each | |||
Inch | ||||||||
Left-to-Right Reading Direction | ||||||||
| 6" | 1/16" (1") 1/32" (8/32") | 3/4" | 3/64" | Square | 6813A81 | 00000 | ||
See-Through Rulers
Style | Lg. | Front Graduations (Numeric Graduations) | Wd. | Thk. | Graduation Color | Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Inch/Metric | ||||||||||
| D | 6"/150 mm | 1/32" (4/32"), 1/100" (1/10"), 0.5 mm (10 mm) | 1 1/2" | 0.007" | Black | Plastic | 89715A65 | 00000 | ||
Pocket Center-Finding Rulers
Lightweight Aluminum
Rulers | |||||||
|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Wd. | Thk. | Each | |||
Inch | |||||||
Left-to-Right Reading Direction/Right-to-Left Reading Direction | |||||||
| 6" | 1/32" (1"), 1/16" (1") | 3/4" | 3/64" | 4892N12 | 00000 | ||
Magnetic High-Accuracy Rulers
Satin Chrome-Plated Steel
Rulers | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Back Graduations (Numeric Graduations) | Accuracy | Wd. | Thk. | Each | |||
Inch | |||||||||
| 6" | 1/64" (8/64"), 1/32" (4/32") | 1/8" (1"), 1/16" (1") | -0.0035" to 0.004" | 3/4" | 3/64" | 2077A21 | 000000 | ||
Inch/Metric | |||||||||
| 6"/150 mm | 1/32" (4/32"), 1/64" (8/64") | 0.5 mm (10 mm), 1 mm (10 mm) | -0.0035" to 0.004"/-0.09 mm to 0.1 mm | 3/4" | 3/64" | 2077A32 | 00000 | ||
Economy Depth Gauges
![]() | ![]() |
Gauge | Gauge with Rod |
Graduation Marks (Numeric Increments) | Base | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Angle Measured | Distance Measured | Front Right | Back Right | Measuring Blade Tip Wd. | Includes | Wd. | Material | Wd. | Lg. | Color | Graduation Color | Overall Ht. | Features | Each | |||
Bottom-to-Top Reading Direction | ||||||||||||||||||
| 6" | 30°, 45°, 60° | 0" to 5 1/4" | 1/64" (4/32") | 1/32" (8/64") | 0.22" | — | 1/4" | Steel | 2 1/2" | 1 1/2" | Silver | Black | 6" | Protractor | 20445A41 | 000000 | ||
| 6" | 30°, 45°, 60° | 0" to 5 1/4" | 1/64" (4/32") | 1/32" (8/64") | 0.22" | 6" Lg. × 3/32" Dia. Steel Rod | 7/32" | Steel | 2 1/2" | 1 1/2" | Silver | Black | 6" | Protractor | 20445A46 | 00000 | ||
Starrett Depth Gauges
Graduation Marks (Numeric Increments) | Measuring Blade | Base | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Angle Measured | Distance Measured | Front Right | Back Right | Tip Wd. | Wd. | Includes | Wd. | Material | Wd. | Lg. | Color | Graduation Color | Overall Ht. | Features | Mfr. | Mfr. Model No. | Each | |||
Bottom-to-Top/Top-to-Bottom Reading Direction | |||||||||||||||||||||
| 6" | 30°, 45°, 60° | 0" to 4 1/2" | 1/64" (1") | 1/32" (1") | 0.47" | 0.19" | 6" Lg. × 5/64" Dia. Steel Rod | 3/16" | Steel | 2 5/8" | 1 9/16" | Silver | Black | 6" | Protractor | Starrett | 236HB | 2090A2 | 0000000 | ||
Starrett High-Accuracy Combination Square Blades
Graduation | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Back Graduations (Numeric Graduations) | Lg. Accuracy | Wd. | Thk. | Color | Color | Type | Each | |||
Inch | ||||||||||||
Satin Chrome-Plated Steel | ||||||||||||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/8" (1"), 1/16" (1") | -0.002" to 0.004" | 3/4" | 5/64" | Silver | Black | Etched | 1955A34 | 000000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/50" (1/10"), 1/100" (1/10") | -0.002" to 0.004" | 3/4" | 5/64" | Silver | Black | Etched | 1955A35 | 00000 | ||
Pocket Slide Ruler Calipers
Calipers | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Measuring Range | Accuracy | Measuring Increments | Fractional Increments | Overall Lg. | Body Material | Jaw Material | Mfr. Model No. | Each | |||
Starrett | |||||||||||
| 0" to 4 3/4" | ±0.006" | 0.01563" 0.03125" | 1/64" 1/32" | 6" | Stainless Steel | Stainless Steel | 1025 | 2062A3 | 0000000 | ||
Other Calipers | |||||||||||
| 0" to 4" | ±0.02" | 0.03125" | 1/32" | 6" | Stainless Steel | Stainless Steel | — | 2287A21 | 00000 | ||
High-Accuracy Combination Square Blades
Graduation | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduations (Numeric Graduations) | Back Graduations (Numeric Graduations) | Lg. Accuracy | Wd. | Thk. | Color | Color | Type | Each | |||
Inch | ||||||||||||
Satin Chrome-Plated Steel | ||||||||||||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/8" (1"), 1/16" (1") | -0.0025" to 0.0025" | 3/4" | 5/64" | Silver | Black | Etched | 21115A41 | 000000 | ||
| 6" | 1/32" (4/32"), 1/64" (8/64") | 1/50" (1/10"), 1/100" (1/10") | -0.0025" to 0.0025" | 3/4" | 5/64" | Silver | Black | Etched | 21115A42 | 00000 | ||
Linear Scales
Mitutoyo
Overall | Mount. | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Distance Measured Range | Measuring Increments | Accuracy | Lg. | Wd. | Material | Batteries Included | Electrical Connection | SPC Data Output | No. of Holes | Hardware Included | Mfr. Model No. | Features | Each | |||
Vertical Orientation | ||||||||||||||||
| 0" to 5" (0 mm to 125 mm) | 0.0005" (0.01 mm) | ±0.001" (±0.03 mm) | 6" | 1.4" | Stainless Steel | Yes | Straight Mitutoyo Connector | Yes | 2 | Yes | 053906B | Zero-Position Memory (ABS), Zero-Set Button | 20735A61 | 0000000 | ||
Multitools with Fold-Out Spring-Action Pliers
Handle | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Style | No. of Tools | Tools Included | Tool Material | Closed Lg. | Overall Lg. | Lg. | Material | Cannot Be Sold To | Each | ||
| B | 13 | Bottle Opener, Can Opener, Cutting Hook, Large Scissors, Medium Slotted Screwdriver, Metal/Wood File, Needle-Nose Pliers, No. 2 Phillips Screwdriver, Ruler, Small Slotted Screwdriver, Smooth-Edge Knife, Wire Cutter, Wire Stripper | Stainless Steel | 3 7/8" | 6" | 3 7/8" | Stainless Steel | Outside United States | 53835A83 | 000000 | |








































