Sparkie Collets for Fusion Pin Catch Casting Grain & Master Alloys its viscosity can be adjusted

its viscosity can be adjusted somewhat to allow precision placement on both flat and domed surfaces—even into crevices and hollows

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

this amethyst is a great choice for your custom designs

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

The ear wire features a hammered texture

Sparkie Collets for Fusion Pin Catch Casting Grain & Master Alloys its viscosity can be adjustedAll 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