SHINA New Precision 6pcs Imperial ER32 Collet 1/2 1/4 3/4 1/8 3/8 5/8 CNC Milling Lathe -Material:High Grade 1065 Carbon Steel -Condition: Brand New and High Quality -High Accuracy and Ease of Operation. -Run-Out Tolerance:0.015MM(0.0006") --Gripping Range: 1/2",1/4",3/4",1/8".3/8",5/8"