Bonny Doon Flat 95-Durometer Urethane Insert for 0.45 kg. Bonny Doon Forming Hammer Polishing & Finishing Individually hand-machined on a 19th-century

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

This sterling silver rounded box chain features a movable silicone-lined bead that allows you to adjust the chain to any length up to 22" (maximum)

This handcrafted sterling silver kidney ear wire features a loop

This 14-karat white gold snap-on bail features a tapered design with a bright finish and is easy to use

designed by expert jeweler

Bonny Doon Flat 95-Durometer Urethane Insert for 0.45 kg. Bonny Doon Forming Hammer Polishing & Finishing Individually hand-machined on a 19th-centuryDesigned 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.