Fretz Michael Good Hammer Set of 3 Ultrasonics Matched 17° punch included for

Matched 17° punch included for clean

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

Never place a non-waterproofed watch in water or in this ultrasonic and only place the metal band of the watch in the water

Setting Style 4-Prong Double Gallery Stone Shape Round Construction Lightweight Cast Post Type Friction Post Post Diameter 0

Fretz Michael Good Hammer Set of 3 Ultrasonics Matched 17° punch included forDesigned 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