Adjustable Trammel Set

General's adjustable trammels accurately measure and mark distances that are too great for conventional compasses and dividers. Trammels will accurately transfer measurements, scribe arcs and lay out circles. Points can be drawing large circles replaced with pencils, ballpoint pens, crayons or soap-stone sticks for marking various materials.

• 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.
• Large circles can be drawn by replacing the points with pencils, ballpoint pens, crayons, or soapstone sticks for marking various materials.