Interstate Expanding 5C Collet Kit,Range 5/16 – 1-15/16″

• Highly effective expansion up to .006″.
• Soft head for easy machining.
• Heat treated tool steel 5C collet shank, precision ground over all.
• One piece construction.
• Head width 1″.
• Kit includes collets No. 1 to No. 4 in fitted stand, Range 5/16 – 1-15/16″.