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Maximum Circle Diameter Maximum Circle Diameter |
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Material Material |
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Finish Finish |
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Adjustment Method Adjustment Method |
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Measures Measures |
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Manufacturer Model Number Manufacturer Model Number |
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Graduation Marks Graduation Marks |
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Scribing Compasses
Accurately mark and measure. Also known as dividers, these compasses ensure accuracy when marking and measuring. Steel compasses have a strong, flexible bow spring that holds the legs in place.
| Max. Circle Dia. | Leg Lg. | Marker Type | Adjustment Method | Each | |
Steel | |||||
|---|---|---|---|---|---|
| 3" | 3" | Scribing Point | Knurled Nut | 0000000 | 000000 |
| 4" | 4" | Scribing Point | Knurled Nut | 0000000 | 00000 |
| 6" | 6" | Scribing Point | Knurled Nut | 0000000 | 00000 |
| 8" | 8" | Scribing Point | Knurled Nut | 0000000 | 00000 |
| 10" | 10" | Scribing Point | Knurled Nut | 0000000 | 00000 |
| 12" | 12" | Scribing Point | Knurled Nut | 0000000 | 00000 |
Large-Circle Scribing Compasses
A wing joint opens wide for marking and transferring large circles, arcs, and measurements. Also known as dividers, these compasses ensure accuracy when marking and measuring. They have a spring that holds the legs in place.
Drafting Compasses
Draw or scribe circles and transfer measurements. These compasses have a bow spring to hold the legs in place.
9" maximum circle diameter compass is die cast zinc for rust resistance. Scribe guide is for edge marking.
Starrett Scribing Compasses
Ensure accuracy when marking and measuring. Also known as dividers, these compasses have a strong, flexible bow spring that holds the legs in place.
Edge Scribing Compasses
Mark and transfer distances from the outer edge of an object. An offset divider leg with adjustable point sits on the surface of an object while the outside-caliper style leg reaches around the edge.
| Max. Circle Dia. | Leg Lg. | Marker Type | Each | |
Steel | ||||
|---|---|---|---|---|
| 10 5/8" | 6" | Scribing Point | 0000000 | 000000 |
Large-Diameter Compasses
Compass Point-Holding Clamps for Beams
Clamp these point-holding clamps, also known as trammels, onto a beam to create a compass.
| For Beam Thick. | Marker Type | Includes | Each | |
Painted Steel | ||||
|---|---|---|---|---|
| 5/8"-1 1/2" | Pen, Pencil, Scribing Point, Soapstone Crayon | Two 6" long steel points | 0000000 | 000000 |
Compass Point-Holding Clamps for Rulers
Turn your ruler into a compass by adding these point-holding clamps. They're also known as trammels.
| For Ruler Thick. | Marker Type | Includes | Each | |
Aluminum | ||||
|---|---|---|---|---|
| 1"-1 1/4" | Lead | One Lead Point, One Rotating Blade | 00000000 | 000000 |
Compass Point-Holding Clamps for Pipes
Combine these point-holding clamps with a pipe to create a compass that marks circles 1 1/2" diameter and larger. They're also known as trammels.
| Min. Circle Dia. | For Pipe Size | For Min. Pipe Lg. | Marker Type | Includes | Each | |
Aluminum | ||||||
|---|---|---|---|---|---|---|
| 1 1/2" | 1/2  | 3 1/2" | Scribing Point, Soapstone Crayon | Hex Key, One Moveable Head with Marking Tool Holder, One Stationary Head with Hardened-Steel Center Point, Soapstone Crayon, Steel Scribe | 0000000 | 000000 |
Starrett Expandable Beam Compasses
Transfer measurements and draw large, precise circles. These compasses have expandable point-holding clamps, also known as trammels, that securely grip the flat top of the beam. Adjust the scribing points with the knurled grip on the clamps. One clamp has a screw for making fine adjustments to ensure accuracy when marking and measuring.
| Max. Circle Dia. | Marker Type | Adjustment Method | Beam Lg. | Includes | Manufacturer Model No. | Each | |
Chrome-Plated Steel | |||||||
|---|---|---|---|---|---|---|---|
| 18" | Scribing Point | Screw | 10 1/2" | Beam with Flattened Top, Caliper Legs | C251A | 0000000 | 0000000 |
| 26" | Scribing Point | Screw | 14 1/2" | Beam with Flattened Top, Caliper Legs | C251B | 0000000 | 000000 |
| 36" | Scribing Point | Screw | 20" | Beam with Flattened Top, Caliper Legs | C251C | 0000000 | 000000 |
Expandable Beam Compasses
Draw circles up to 24" or add Extension Beams for Expandable Beam Compass to create even larger circles.
Wide Range Tape Measure Compasses
Extend the blade to draw circles up to 144" diameter. The blade locks in place.
Circle Dia. | |||||||
|---|---|---|---|---|---|---|---|
| Max. | Min. | Marker Type | Top Graduation Marks (Numeric Increments) | Bottom Graduation Marks (Numeric Increments) | Includes | Each | |
Inch/Metric | |||||||
Steel | |||||||
| 144" | 7" | Lead | 32nds (1") | Millimeters (1 cm) | Steel Pin | 0000000 | 000000 |
Fine-Adjustment Layout Calipers
A strong, flexible bow spring holds the legs in place while a knurled nut allows you to make fine adjustments.
| Leg Lg. | Max. Opening | Material | Each | |
Inside Measurement | ||||
|---|---|---|---|---|
| 3" | 3" | Steel | 0000000 | 000000 |
| 4" | 4" | Steel | 0000000 | 00000 |
| 6" | 6" | Steel | 0000000 | 00000 |
| 8" | 8" | Steel | 0000000 | 00000 |
| 10" | 10" | Steel | 000000 | 00000 |
| 12" | 12" | Steel | 0000000 | 00000 |
Outside Measurement | ||||
| 3" | 3" | Steel | 0000000 | 00000 |
| 4" | 4" | Steel | 0000000 | 00000 |
| 6" | 6" | Steel | 0000000 | 00000 |
| 8" | 8" | Steel | 0000000 | 00000 |
| 10" | 10" | Steel | 0000000 | 00000 |
| 12" | 12" | Steel | 0000000 | 00000 |
Starrett Fine-Adjustment Layout Calipers
A strong, flexible bow spring holds the legs in place while a knurled nut allows you to make fine adjustments.