Product Overview ER11 STRAIGHT SHANK COLLET CHUCK Extension Shank Length 100MM Item(s) 1 Pc. ER11 12MM Straight Shank Collet Chuck Specification DIN6499B 0.015MM (0.0006") Run-Out Tolerance High Grade 1065 Carbon Steel Hardened & Precision Ground Shank Length 100MM Product Photos Additional Technical Information