Ring Setters Clamp Size: 13mm To 22mm Ctt--ring Setter's Clamp An Extremely Well-made, Machined Aluminum Clamp With 9 Nylon Split Collet Inserts To Hold Rings From Sizes 13mm To 22 Mm. Perfect For Holding Rings While Setting Stones, Polishing, Beading, Etc. Hardwood Storage Box With Sliding Cover Is Clearly Marked With U.s. Ring Sizes 2 To13.

* Aluminum Clamp

* Solid Wood Handle

* Custom Fit Storage Box

* Ring Sizes 2-13

* Premium Quality