Precision Trammel Set
Transfer measurements, scribe arcs and lay out
circles too large for conventional compasses
Will fit any scale 1/2" to 1-1/8" wide
Two scriber points and two pencil points included
Up to four points can be stored in body
Free-wheeling thimble for greater precision
Aluminum knurled body
Steel collet holds replacement leads, scribers
and crayons
Points reverse into body for safety
