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    45 Products

    Large-Diameter Layout Compasses

    Image of ProductInUse. Front orientation. Layout Compasses. Large-Diameter Layout Compasses.
    Compasses have spring-tension joints that stay rigid to draw large circles up to 100" diameter. They fold for easy storage.
    Max. Circle
    Dia.
    Leg
    Lg.
    Marker Type
    Each
     
    Aluminum
    22"6"Pencil, Soapstone Crayon0000000000000
    50"14 1/2"Pencil, Soapstone Crayon000000000000
    100"26"Pencil, Soapstone Crayon000000000000
     

    Scribing Compasses

    Image of Product. Front orientation. Layout Compasses. Scribing Compasses.
    Accurately mark and measure. Also known as dividers, these compasses ensure accuracy when marking and measuring.
    Steel—Steel compasses have a strong, flexible bow spring that holds the legs in place.
    Max. Circle
    Dia.
    Leg
    Lg.
    Marker Type
    Each
    Knurled-Nut Adjustment
     
    Steel
    3"3"Scribing Point0000000000000
    4"4"Scribing Point000000000000
    6"6"Scribing Point000000000000
    8"8"Scribing Point000000000000
    10"10"Scribing Point000000000000
    12"12"Scribing Point000000000000
     

    Drafting Compasses

    Image of Product. Knurled-Nut. Front orientation. Layout Compasses. Drafting Compasses, Knurled-Nut Adjustment, Pencil.
    Image of Product. Thumb-Wheel. Front orientation. Layout Compasses. Drafting Compasses, Thumb-Wheel Adjustment, Scribing Point, Lead.

    Knurled-Nut

    Thumb-Wheel

    Draw or scribe circles and transfer measurements. These compasses have a bow spring to hold the legs in place.
    9" Maximum Circle Diameter—9" maximum circle diameter compasses are die cast zinc for rust resistance. Scribe guide is for edge marking.
    Max. Circle
    Dia.
    Leg
    Lg.
    Marker Type
    Includes
    Each
    Knurled-Nut Adjustment
     
    Zinc
    9"4 1/8"PencilScribe Guide0000000000000
     
    Thumb-Wheel Adjustment
     
    Galvanized Brass
    8 7/8"4 1/2"Lead, Scribing Point—000000000000
     
    Nickel-Plated Brass
    10 1/2"4 5/8"Lead, Scribing Point—00000000000
     
    Replacement Lead
    Pkg.
    Qty.
    Pkg.
    Replacement Lead4000000000000

    Large-Circle Scribing Compasses

    Image of Product. Front orientation. Layout Compasses. 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.
    Max. Circle
    Dia.
    Leg
    Lg.
    Marker Type
    Each
    Knurled-Nut Adjustment
     
    Steel
    15 7/8"6"Scribing Point000000000000
    22 1/2"8"Scribing Point00000000000
    24"10"Scribing Point00000000000
    29 5/8"12"Scribing Point00000000000
     

    Wide-Range Tape Measure Compasses

    Image of Product. Front orientation. Layout Compasses. 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"Lead1/32" (1")1 mm (1 cm)Steel Pin0000000000000
     

    Expandable Beam Compasses

    Image of ProductInUse. Front orientation. Layout Compasses. Expandable Beam Compasses.
    Draw circles up to 24" or add Extension Beams for Expandable Beam Compass to create even larger circles.
    Max. Circle
    Dia.
    Marker Type
    Beam
    Lg.
    Includes
    Each
     
    Stainless Steel
    24"Lead, Scribing Point12"Scribing Point, Two 12" Long Beams000000000000000
     
    Accessories and Replacements for Layout Compasses
    12" Extension Beam00000000 Each 000000
    Pencil Point00000000 Each 00000
    Replacement Lead0000000 Pkg. of 4 0000

    Starrett Expandable Beam Compasses

    Image of Product. Front orientation. Layout Compasses. 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
    Beam
    Lg.
    Includes
    Mfr. Model
    No.
    Each
    Screw Adjustment
     
    Chrome-Plated Steel
    26"Scribing Point14 1/2"Beam with Flattened Top, Caliper LegsC251B00000000000000
    36"Scribing Point20"Beam with Flattened Top, Caliper LegsC251C0000000000000
     

    Compass Point-Holding Clamps for Beams

    Image of Product. Front orientation. Compass Point-Holding Clamps. Compass Point-Holding Clamps for Beams.
    Clamp these point-holding clamps, also known as trammels, onto a beam to create a compass.
    For Beam Thk.
    Marker Type
    Includes
    Each
    Painted Steel
    5/8" to 1 1/2"Pen, Pencil, Scribing Point, Soapstone CrayonTwo 6" long steel points0000000000000
     

    Compass Point-Holding Clamps for Pipes

    Image of Product. Front orientation. Compass Point-Holding Clamps. 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 CrayonHex Key, One Movable Head with Marking Tool Holder, One Stationary Head with Hardened-Steel Center Point, Soapstone Crayon, Steel Scribe0000000000000
     

    Edge Scribing Compasses

    Image of ProductInUse. Front orientation. Layout Compasses. 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
    Mfr. Model
    No.
    Each
     
    Steel
    10 5/8"6"Scribing Point243-60000000000000
     

    Starrett Scribing Compasses

    Image of Product. Front orientation. Layout Compasses. 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.
    Max. Circle
    Dia.
    Leg
    Lg.
    Marker Type
    Mfr. Model
    No.
    Each
    Knurled-Nut Adjustment
     
    Steel
    3"3"Scribing Point277-30000000000000
    6"6"Scribing Point277-6000000000000
     

    Fine-Adjustment Layout Calipers

    Image of Product. Front orientation. Contains Annotated. Layout Calipers. Fine-Adjustment Layout Calipers , Measures Inside.

    Measures

    Inside

    Image of Product. Front orientation. Contains Annotated. Layout Calipers. Fine-Adjustment Layout Calipers , Measures Outside.

    Measures

    Outside

    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
    Measures Inside
    3"3"Steel0000000000000
    4"4"Steel000000000000
    6"6"Steel000000000000
    8"8"Steel000000000000
    10"10"Steel00000000000
    12"12"Steel000000000000
     
    Measures Outside
    3"3"Steel000000000000
    4"4"Steel000000000000
    6"6"Steel000000000000
    8"8"Steel000000000000
    10"10"Steel000000000000
    12"12"Steel000000000000
     

    Compass Point-Holding Clamps for Rulers

    Image of Product. Front orientation. Compass Point-Holding Clamps. 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
    Thk.
    Marker
    Type
    Includes
    Each
    Aluminum
    1" to 1 1/4"LeadOne Lead Point, One Rotating Blade, One Steel Anchor Point00000000000000
     

    Drafting Compasses with Graduations

    Image of Product. Back orientation. Layout Compasses. Drafting Compasses with Graduations.
    Accurately set the diameter of the circle you’d like to draw using the graduated scale.
    Max. Circle
    Dia.
    Leg
    Lg.
    Marker
    Type
    Front Graduation Marks
    (Numeric Increments)
    Back Graduation Marks
    (Numeric Increments)
    Each
     
    Nickel-Plated Steel
    13"5"Pencil1/8" (1")0.5 cm (1 cm)000000000000
     

    Starrett Fine-Adjustment Layout Calipers

    Image of Product. Front orientation. Contains Annotated. Layout Calipers. Starrett Fine-Adjustment Layout Calipers, Measures Inside.
    Image of Product. Front orientation. Contains Annotated. Layout Calipers. Starrett Fine-Adjustment Layout Calipers, Measures Outside.

    Measures

    Inside

    Measures

    Outside

    A strong, flexible bow spring holds the legs in place while a knurled nut allows you to make fine adjustments.
    Leg
    Lg.
    Max.
    Opening
    Mfr. Model
    No.
    Material
    Each
    Measures Inside
    3"3"274-3Steel00000000000000
     
    Measures Outside
    3"3"275-3Steel0000000000000
    6"6"275-6Steel0000000000000
     
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