/ Precision Measuring Tools / Precision Hand Tools / Calipers, Dividers & Trammels / Trammels / C251C * Not actual product image 51209 C251C Steel Beam Trammel 51209 Other similar products The Starrett C251C is a rigid, well-designed trammel for layout, scribing, and measuring distances and circles. The top of the beam is flattened so that when the trams are clamped in position, they will not turn from pressure on the points. Trammel, 18" (450mm) Dividing Range points. Features Specifications Parts Contact Starrett Features Rigid, well-designed The top of the beam is flattened so that when the trams are clamped in position, they will not turn from pressure on the points The 3" (75mm) points may be adjusted for length in the spring chucks and can be easily replaced with caliper legs or other attachments listed The ball points with 3" (75mm) holder permit working from holes up to 1-1/2" (38mm) in diameter A pair of 3" (75mm) caliper points is included with each trammel One tram has a fine-adjusting screw for the points Held in place by spring friction, which prevents them from sliding when the nuts are loosened for setting Each tram has a knurled swivel grip at the top that turns freely, making it very convenient to swing the tool when scribing circles Specifications Maximum Dividing Range (in): 18" Maximum Dividing Range (mm): 450mm Maximum Scribing Diameter Range (in): 36" Maximum Scribing Diameter Range (mm): 900mm Beam Size (in): 20" Beam Size (mm): 500mm Parts Member of Kit Item #DescriptionPart No.QtyInformation 1BODY #C251A16316-01 2CLOSER, CHUCK06302-02 3SLEEVE06303-02 4SCREW, .100-56 SLOT X .250 LONG06304-02 5NUT, .315-4006305-03 6COLLAR16317-03 7BEAM, EXTRA LONG16323-01 8CARRIER06309-01 9ROD, .125-40 ADJ.06310-01 10POINT, SCRIBER06312-02 11LEG, CALIPER #C25116321-02 12BODY #C251A16315-01 13SPR WSHR, .318X.500X.01006306-03 14NUT, .125-4006311-01