Working Ring Mandrel - Round (Marked A-Z) – Koodak Jewellers' Supplies
Pro Ring Mandrel - Rockler
Ring Mandrel / Steel Ring Mandrel – uptowntools
What is a Ring Mandrel? Which One Should I Buy? - International Gem Society
Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Large Size Steel Ring Mandrel for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making - Ring Sizes(11-14) -
A-Z+6 Steel Jewellers Ring Mandrel | Jewellery Supplies - Pod Jewellery
STEEL RING MANDREL , ungrooved, marked 1-15 - Walmart.com
Ring Crafters Ring Mandrel 2 PC Set - Sizes 4-13 | ExoticBlanks
Ring Mandrel – Turners Warehouse
Expanding Ring Mandrel Stainless Steel (Large) | eBay