PHYHOO Ring Stretcher Enlarger Expander Mandrel Wedding Band Sizer Jewelry Ring Sizing Tool

PHYHOO Ring Stretcher Enlarger Expander Mandrel Wedding Band Sizer Jewelry Ring Sizing Tool Easily stretch and enlarge rings & bands SIZES 6 & UP|To Preserve and Prevent Oxidation a Light Coat of Oil is Applied|Includes steel collet multi-stepped mandrel & a tapered pin expander|The heads can be unscrewed for easy replacement|Great for carpentry, construction, engineering&shaping metal