Silver Economy Flat Rolling Mill with Reduction Gear Prop 65 - Cobalt 742-388 Exchangeable Collet 388 HP

742-388 Exchangeable Collet 388 HP Standard 3/32" collet handpiece

Letter Variations address tricky letter pairings and spacing for better two- and three-letter monograms

Compatible with optional solid tungsten tips for platinum work

Center Stone Size 6 mm Total Carat Weight Range 3/4 ct (diamond weight) Prong Count 6 Setting Style Round solitaire Construction Die struck Finish Highly polished Ring Size Range 6–6½ (standard USA sizing) Platinum Alloy 95% platinum / 5% ruthenium 14K White Gold Alloy Nickel-based

brace the ring or pinky finger of your holding hand against the edge of the table

Silver Economy Flat Rolling Mill with Reduction Gear Prop 65 - Cobalt 742-388 Exchangeable Collet 388 HPThe Silver Economy 76mm (3") Flat Rolling Mill with Reduction Gear is Otto Frei's best selling economy mill for studio and classroom use. Designed for light duty work on soft, non ferrous metals, it features a protected 4: 1 reduction gear train, high carbon steel flat rolls, and simple T bar adjustment no flywheel required. Whether you're thinning sheet metal or texturing stock, this mill delivers dependable performance at an accessible price point.