Product Overview FULL ER8 COLLET SET ER8 Collet Set 0.5-5MM (3/128"-25/128") Item(s) 9 Pcs. ER8 Collets Specification Gripping Range 0.5MM to 5MM (3/128" to 25/128") DIN6499B 0.015MM (0.0006") Run-Out Tolerance High Grade 1065 Carbon Steel Hardened & Precision Ground Product Photos Additional Technical Information