Clamps onto beam 5/8" to 1-1/2" thick of any length.General's adjustable trammels accurately measure and mark distances that are too great for conventional compasses and dividers.For layouts, marking templates, and drawing large circles.6" off-center eccentric points provide fine adjustment.Points can be replaced with pencils, ballpoint pens, crayons, or soapstone sticks for marking various materials.
Adjustable Trammels used in marking over large distances, tracing contours and scribing circles. The 6" scribing points are adjustable, and can also be replaced with pencils, pens, crayons and soapstone for marking various surfaces. The heavy-duty clamps will fit 5/8" to 1-1/2" beams of any length. Set includes: (2) two trammels and (2) two 6" scriber points.
Brand: General Tools, Model: 523, Color: Stainless Steel