Rathburn Ring Stretcher Enlarger Jewelry Ring Sizing Tool Wedding Bands Sizer JTS

SPECIFICATIONS: Construction: Machined Steel Ring Size Capacity: 7 - 16 Finger Size US Steps on Collet Holder: 7 - Each having a Width of 1/4" + Fixture Tool: 3 Parts - Wooden Base - Stepped Collet Holder - Tapered Pin Overall Length: 6-1/4" Wooden Base: 1-11/16" Round -1-23/64" Height Weight: 11.5oz