General 523 Adjustable Trammel Points, 1-5/16" Ridge 10-1/2'' height

10-1/2'' height

Drive: 3/4"

Minimum Door Thickness: 1-3/8"

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

Diameter: 15-3/4"

General 523 Adjustable Trammel Points, 1-5/16" Ridge 10-1/2'' heightHighlights: 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),