A giant ring mandrel 16-24 is a large, tapered tool used to form, shape, and re-shape large rings. It is typically made of steel or aluminum and has a series of markings along its length to indicate the ring size.
Fingerhut Wedding Bands, Item Number: NOGQC (Shipping Code: C) Hover over image to zoom.
Jeweler's Mandrels
Iron ring jewellery hi-res stock photography and images - Alamy
Ring Mandrels – ToolUSA
Lost Wax Jewellery Tools Jewellery Making Tools - Pod Jewellery
Ring Mandrels
How to Find Your Ring Size With a Tape Measure or Ring Sizer
Shangniulu Expanding Stainless Steel Ring Mandrel with Hex Allen Key - Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making (Ring Sizes 7.5-10.5)
Ring Stretcher - Jewelry Ring Stretcher, Jewelry Making Supplies, Jewelers Tools, Jewelers Supplies, Rosenthal
Metal Forming - Ring Stretcher - JETS INC. - Jewelers Equipment Tools and Supplies
Rosenthal Collection Ring Sizer Mandrel and Ring Sizer Tool
PMC Supplies LLC Large Steel Ring Mandrel w/Sizes 16-24 Ring Sizing Hoop Earring Bezel Forming Jewelry Making Metal Forming Tool