[Smooth Taper]Tapered reamers perfect for every need Itand 39;s also designed to make every order accurate and smooth [Bigger Hole]The reamer attachment can be used for larger holes, such as those in guitar bodies or neck joints [Excellent Workmanship]It includes a handheld attachment that allows you to use it without a drill, but attaching it to an electric drill you can drill through any material [ Materials]Made of steel, , stable and strong enough to pierce anything with ease Colour:P o Color Material:carbon steel type:A: Hexagonal Handle Package Contents: 2 x Hand Reamer Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.