This ring setter's clamp set features three head configurations to help you hold rings securely while setting stones in vertical, horizontal or angled positions. This set includes a handle (5-3/4"L) with 10 nylon split-collet inserts that will accommodate U.S. ring sizes 2 to 14. Each components fit neatly into a convenient box. Box includes an Allen wrench (hex key) and an installation diagram. Also includes a short Allen-head bolt that allows replacement of the thumb-wheel on the vertical positioning head, giving improved access to rings when needed.