11pcs Collet ER32 Spanner Chuck Set Precision MT2 Shank Spanner for Milling Machine

【11PCS ER32 Collet Set】 1/8 - 3/4 by 16th (1/8, 3/16, 1/4, 5/16, 3/8,7/16,1/2, 9/16, 5/8, 11/16, 3/4) 【Accuracy】 High accuracy 0.0005, high performance chuck tool. 【Material】 All collets are made of high quality alloy spring steel. 【Durable】 Hardened and precision ground, sturdy and durable to use. 【Attachment】 1PC MT2 Shank ER32 collet chuck, Draw bar threads 3/8 x 16.