Product Overview ER16 STRAIGHT SHANK COLLET CHUCK Shank Length 4" Item(s) 1 Pc. ER16 3/4" 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 +P57