Shars 2″ Precision Steel Step 5C Collet for Lathe Collets ^[
Expanding 5C Collet Kit 5C Collet Wrench 8 PCS 5C Collet Set. Collet Material Steel. Heat treated tool steel collet shank. Drawbar Thread Size 1.041-24″. External Thread Size 1.238-20 RH. Precisely ground all over.