E. C. Muller Graver Carbon Steel Ring 1 Serpentine Gold & Platinum Metals The NSK RG-01 Reduction Gear

The NSK RG-01 Reduction Gear Attachment is an optional speed-reducing accessory that mounts between a compatible micromotor and handpiece

Protected Gears: Covered reduction and side gears guard against contamination and wear

Soldering applications

20mm Grit Fine – 50 micron (~350 grit) Coated Sides Both sides Maximum Speed 15

Bill Fretz notes that properly hardened chasing tools will exhibit mushrooming on their striking end with use

E. C. Muller Graver Carbon Steel Ring 1 Serpentine Gold & Platinum Metals The NSK RG-01 Reduction GearThe E. C. Muller Ring 1 Serpentine graver is a trusted tool among professional hand engravers. Edward C. Muller engravers are made in the USA from American made carbon steel and have been used by generations of hand engravers. The Serpentine profile is designed for engraving the inside of rings, making it a specialized choice for jewelry engravers working on band interiors and curved surfaces. This graver is also sold as GRS 022 818 Serpentine Ring