Fretz Michael Good Hammer Set of 3 Ultrasonics Direct drive design — no

Direct drive design — no reduction gear is included or required for this mill's intended use

This stainless steel channel practice ring is designed for jewelers and stone setters who want to develop and refine their channel-setting technique without the cost of working in precious metal

5 mm Drive / Mechanism Dual-sided gearing Mounting Two threaded holes in base for bolting to bench Country of Origin Switzerland What's Included

Matched 17° punch included for clean

Simply swap this roll into the upper position of your mill while keeping your flat lower roll in place

Fretz Michael Good Hammer Set of 3 Ultrasonics Direct drive design — noDesigned by Michael Good with Bill and Jordan Fretz, this three hammer set is purpose built for anticlastic raisinga forming method where the sheet's center compresses while the edges stretch, producing two opposing curves. Each hammer is made to Good's specifications by the Fretz hammer & stake factory in Vietnam and features a polished stainless steel head for a crisp, mark free strike on properly prepared metal. Features Polished stainless steel