Bonny Doon Flat 95-Durometer Urethane Insert for 0.45 kg. Bonny Doon Forming Hammer Polishing & Finishing This 3M filter helps protect

This 3M filter helps protect against inhalation of particles of potentially harmful materials such as asbestos and silica

giving it the appearance of a pair of long

Individually hand-machined on a 19th-century rose engine at the Bonny Doon facility in Taos

designed by expert jeweler

5mm round white CZs

Bonny Doon Flat 95-Durometer Urethane Insert for 0.45 kg. Bonny Doon Forming Hammer Polishing & Finishing This 3M filter helps protectDesigned specifically for the 16 oz. Bonny Doon urethane hammer (and the larger sized original 10 oz. model), this insert is threaded to be interchangeable with the flat face, 80 durometer insert of the hammer, giving you a harder, 95 durometer face for your forming needs.