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    12 Products

    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 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
     

    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
     

    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
    18"Scribing Point10 1/2"Beam with Flattened Top, Caliper LegsC251A00000000000000
    26"Scribing Point14 1/2"Beam with Flattened Top, Caliper LegsC251B0000000000000
    36"Scribing Point20"Beam with Flattened Top, Caliper LegsC251C0000000000000
     

    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
    50"14 1/2"Pencil, Soapstone Crayon0000000000000
     

    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

    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
    6"6"Scribing Point0000000000000
     
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