Gold & Platinum Finger Fit Expandable Ring Shank 3x3mm Metal Types:Platinum Trusted extensively in antique restoration

Trusted extensively in antique restoration and museum curation

2-Groove design recommended for hard materials like steel

546 – Inverted Cone Bur

Includes three hallmark stamps: 10K

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

Gold & Platinum Finger Fit Expandable Ring Shank 3x3mm Metal Types:Platinum Trusted extensively in antique restorationThe 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