Pro Ring Mandrel - Rockler
Steel Stepped Ring Mandrels-Full or Half Sizes — Otto Frei
Stainless Steel Comfort Ring Core – Turners Warehouse
Expanding stainless steel ring mandrel for lathe and wood rings –
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JDG 2 Piece Ring Core - Stainless Steel - 4mm
Products – tagged skm 88 – Turners Warehouse
JDG Ring Crafters Mandrels are a perfect fit for ring makers trying to get started at a lower cost than the stainless steel JDG Pro expanding ring
Ring Crafters Ring Mandrel - Size 9-13
A must-have kitchen essential that will make the perfect gift. The set includes four of the most common measuring cup sizes used for cooking and baking; 1/4 cup, 1/3 cup, 1/2 cup and 1 cup. These cups are plated with durable, food safe Stainless-Steel inside, and chrome plated on the outside. Easy to hand wash. The measurements are etched on the side for easy identification.
Penn State Industries - Project Kits - Measuring Cup Kit - Set of 4
Durston PrecisionFit™ Steel Tapered Ring Mandrel - RioGrande