Technique™ Cup Bur Assortment, Set of 18 Electroforming Supplies It features two round faces

It features two round faces with differing domed shapes

Setting Type: 4-prong

12 double-ended mandrels in sizes 4–15 (half and whole sizes) allowing you to make metal clay rings in sizes 2–13 or 2-1/2–13-1/2 (accounting for the approximate 12% shrinkage when firing metal clay)

this Fretz® stake holder holds Fretz forming stakes (H-100 series) or the Fretz double-ended stake holder (T-101) securely while in use

This 18-karat yellow gold ring mounting features a three-setting design

Technique™ Cup Bur Assortment, Set of 18 Electroforming Supplies It features two round facesThis set of cup burs from Technique is ideal for rounding rod ends and rivet heads and \for shaping or smoothing prong tips. Each bur is made from made from tough, hardened tungsten vanadium to ensure precise cutting results, durability and long life; these burs can be used at low speeds. This set includes 18 burs, one of each: 0. 9mm 1mm 1. 1mm 1. 2mm 1. 3mm 1. 4mm 1. 5mm 1. 6mm 1. 7mm 1. 8mm 1. 9mm 2mm 2. 1mm 2. 3mm 3mm 3. 5mm 4. 5mm 5mm