ShareProfit ER 32 Collet Set Collet Chuck Set CAT 40 Holder Spring Collet Set for CNC Engraving Machine Milling Lathe Set of 5 Collet set which is hardened and ground to ensure maximum accuracy Collet chuck with projection length is 2.75" 5 Pcs CAT40 high precision ER32 collet chuck Fully ground flange and V-groove-easy on tool changers for less spindle Holder Spring Collet Set fit for Drilling Machine ,Milling Machine CNC Chuck or Holder