*16 jaws provide parallel clamping & powerful gripping. *8 degree taper for highest gripping power. *Compresses down .039 from nominal size. *Accurate to .0003 T.I.R. *Sold in sets only **ER 11 collet set, 1/32" thru 17/64", 13 collets. **ER 16 collet set, 1/32 thru 25/64", 10 collets
