Thanks to its structural design, the drill is sharp, durable, provides excellent wear resistance, and is convenient and easy to install. The lightweight design makes it easy to store and carry. With this drill, you can drill screw holes and countersunk holes, it simply loosens and tightens the set screws to adjust the drilling length compatible different lengths of screws. It is constructed of alloy material. The diameter of this drill is 26.5mm, and the length is 74.8mm. Drill stopper is suitable compatible industry, workshop, construction, carpentry, etc. With a conventional round shank design, this drill is suitable compatible a wide range of applications. Item Name: Drill Material: Alloy Style A: 2.8mm Style B: 3.0mm Style C: 3.2mm Style D: 3.5mm Style E: 4.0mm Features: Sharp, Conventional Round Design, Adjustable Depth Size Details: Diameter: 26.5mm/1.04"(Approx.) Length: 74.8mm/2.94"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Drill Bit 1 x Wrench 1 x Hexagon Wrench