At the heart of this tool set is the cast iron holder for bench pin and mandrels with an integral anvil machined into the top surface. The Ring Mandrel is made from hardened steel and engraved with US sizes 1 to 15 by quarter sizes and has an overall length of 12". The Ring Mandrel locks in place with the turn of a thumb screw. The highly versatile, 2" wide Bench Pin includes the traditional V-slot in front but also features a slotted extension for supporting rings while sawing. Clamp adjusts for benches up to 1 3/4" thick.

110-249 is equipped with an oval bracelet mandrel whose overall length is 8" and tapers from 2 9/16" x 2 5/16" (65 x 59 mm) to 1 9/16" x 1 11/32" (39.8 x 34 mm).

110-248 has a round bracelet mandrel, 8" long overall that tapers from 2.625" dia. to 1.5" dia.