3 pcs BT40-ER25 collet chucks, 100mm longer gage length. Precision Dynamic Balanced to G6.3/12000RPM.The item "3pcs BT40-ER25-100mm COLLET CHUCKS balanced to G6.3/15000RPM Tool Holder Set" is in sale since Tuesday, August 4, 2015. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\CAT Holders". The seller is "niuniucme" and is located in Madison Heights, Michigan. This item can be shipped worldwide.