Collets directly hold the tungsten in place when you tighten the back cap and create the electrical contact necessary for good current transfer They are generally made of standard grade copper or tellurium copper
Quantity 2EA/PK
Specifications
Material=Copper Size [Max]=0.04 in Type=Collet Used With=9; 20; 22; 23; 25; 9V; 20V Wt.=0.1 lb
