DescriptionThis item is brass collet, It can be use for for punching ABS board, light wood board, cardboard, etc. brass collets to fit rotary tools, pin vises. It is compatible with most rotary tools used in hardware, hobby, home etc.Features- Color: golden.- Material: Brass.- Size: 1x1x3cm- Model : 2.35mm copper drill clamp set as shown in figure 7,3.17mm copper drill clamp set as shown in figure 7,2mm copper drill clamp set as shown in figure 7, 4.0mm copper drill clamp set as shown in figure 7, 5.0mm copper drill clamp set as shown in figure 7- Made of material for long lasting use.- brass collets to fit rotary tools, pin vises.- Included brass drill clip, let you use it more easily.- Compatible with most rotary tools used in hardware, hobby, home etc.- Powerful and practical tools. Can be use for for punching ABS board, light wood board, cardboard, etc.