C-20 Graphite Grain-Making Crucible for J-zP Magnifiers & Optical Gear The neck wire is made

The neck wire is made of sterling silver wire wrapped around a stainless steel core

The sensor detects when your hand is clear of the clamping area and starts the injection process without the need to push a button

This fixed-base steel stand features:

Mounted Stone Sizes: 14 x 7mm

Earring Style: Nature

C-20 Graphite Grain-Making Crucible for J-zP Magnifiers & Optical Gear The neck wire is madePatented AutoValve design speeds reprocessing of sprues and buttons in your J zP casting machine. Use with the patented AutoValve disc insert. This economical C 20 graphite crucible is created from an extruded graphite material that's well suited to working with silver, lower karat yellow gold (14 karat or less), brass, bronze and other copper based alloys. For white gold or higher karat yellow gold, choose a crucible made from denser C 50 graphite.