Foredom H.28 Slimline Collet Style Handpiece Donnegan These die-struck 6-prong solitaire ring

These die-struck 6-prong solitaire ring mountings are designed to showcase a round 9mm center stone weighing approximately 3 carats

Brass center hole snaps onto 3/32" mandrels for secure attachment

Adheres to any metal surface

Compatible with your shop's existing standard surface preparation

15mm × 15mm cut-out opening for precise subject placement

Foredom H.28 Slimline Collet Style Handpiece Donnegan These die-struck 6-prong solitaire ringThe Foredom H. 28 Slimline Collet Style Handpiece delivers a refined, comfortable working experience for jewelers and metalsmiths who demand precision and control. Its slender, tapered grip is designed to reduce hand fatigue during extended bench sessions, while pre lubricated ball bearings provide smooth, maintenance free operation no additional lubrication required. Measuring 5 1 4" long with a 23 32" center diameter and a 1 2" taper, the H. 28