Gold & Platinum Finger Fit Expandable Ring Shank 3x3mm Metal Types:Platinum The steps between holes are

The steps between holes are not exactly graduated by tenths of a millimeter

Regularly file or grind off any mushrooming at the striking end to prevent injury from flying fragments

while tough vinyl grips deliver comfortable control during extended bench work

Pre-drilled hole can be tapped with a 1/4" thread for mounting on a stand or bolting directly to a bench surface

and flexible cutting discs engineered for precision work in professional jewelry and metalsmithing applications

Gold & Platinum Finger Fit Expandable Ring Shank 3x3mm Metal Types:Platinum The steps between holes areThe Finger Fit is an expandable, hinged ring shank designed to solve one of the most common fitting challenges in jewelry: rings that fit over the knuckle but are too loose on the finger. The shank opens, allows the ring to pass over the knuckle, then closes and locks for a comfortable, secure fit no resizing required. These Finger Fit shanks measure 3mm x 3mm in shank diameter and are available in 14K Yellow Gold, 14K White Gold, 18K Yellow Gold, and