Sparkie Collets for Fusion Pin Catch Casting Grain & Master Alloys Metal that is 3/4-hard is

Metal that is 3/4-hard is work-hardened but not quite past its malleability

it measures 100mm along the outside edge

Heavy-gauge steel crossbeams and corner reinforcing help you produce more consistent metal forms

The ear wire features a hammered texture

Sparkie Collets for Fusion Pin Catch Casting Grain & Master Alloys Metal that is 3/4-hard isAll fusion welders require a clamping system to hold the fusion finding and your jewelry piece in perfect alignment for proper bonding. The system in the Sparkie II fusion welder consists of a collet and a fixture to ensure proper contact as the weld is made. The collet is a clamp that fits into the upper arm of the Sparkie fusion welding machine and holds the fusion finding in place. Each type of fusion finding requires a specifically designed collet