Detailed Product Description Specifications:1) Capacity: 1/32"-3/8"; 1/16"-1/2"2) Amount: 3/8-24UNF; 1/2-20UNF3) Back sleeve, front sleeve or metallic sleeves can be selected4) Sleeves painting or color sleeves can be chosen5) Can choose for 800W percussive drills also. 6),Runout:0.35MM (max) 7),Net Weight:298g /pc