General 523 Adjustable Trammel Points, 1-5/16" Ridge durable galvanized steel outer pipe

durable galvanized steel outer pipe has internal spacing beads to assure a uniform insulating air space between pipe walls

Drive: 3/4"

Features an extendable wand for greater accuracy in hard to reach places

Storage Tanks

Diameter: 15-3/4"

General 523 Adjustable Trammel Points, 1-5/16" Ridge durable galvanized steel outer pipeHighlights: 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. WARNING: This product can expose you to chemicals including Nickel (Metallic),