Description: * Precise positioning and convenient punching * Drill bushings can solve the problem of drill drifting and shaking during the drilling process, making punched holes more accurate while saving effort and worry * Various specifications are available to meet the drilling needs of different drills Specification: Material : stainless steel Size: 3/4/5/6/7/8/9/10mm Color: as picture show Apply: for wood drill Quantity: 1PC 1cm = 10mm = 0.39 inch. Package list: 1 * three in locator Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.