Radius marking points designed to fit standard 1/2" (12.7mm) pipe. The most accurate means of drawing arcs and circles because you can lock the radius tight. Save room in your tool box – use any standard 1/2" pipe or conduit on the job site to create the radius you need!
FEATURES
- Heads feature radius set points cast in alignment with marking pointers for easy setting
- Each is equipped with 1/4" screws and squared on the back side for perpendicular alignment
- Stationary head holds a 1/4" case hardened center point
- Moveable head has a 1/8” hardened steel scribe
- Chalk holder will accept round, square or flat soapstone, crayon, pencil or steel point scribe
- Heads are made from durable aluminum
APPLICATION INFO
- Marks from 1-1/2” (40mm) circle to any diameter needed, depending on length of pipe used as a trammel bar
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