Bonny Doon Steel 101.6mm Mushroom Former, 101.6mm Radius Felt tools this white low-release nickel-based master

this white low-release nickel-based master alloy features a low incidence of nickel release

It looks great offered as is or add drops and charms to create custom necklace designs

jewels or other tiny treasures contained within are visible from both sides

This round sterling silver charm features a compass star etched into the front surface and is oxidized to highlight the detail

then the steel pusher

Bonny Doon Steel 101.6mm Mushroom Former, 101.6mm Radius Felt tools this white low-release nickel-based masterUse mushroom formers with contained urethane boxes to enhance the efficiency and repeatability of the formers while using less force. Heavy welded mushroom formers are suitable for use in any press with the master holder (except the Lite). Size is expressed by the diameter of the punch and the radius of the dome. Use with a 4" contained urethane. Shank: 1" Dome radius: 4"