[Suitable for handheld drill]Square hole drill adapter suitable for handheld drill But not suitable for bench drills and rechargeable hand drills Wear-, high hardness, strong and , long service life. [Easy to Install and Remove]The square hole drill bit adapter mortise tool is easy to install and remove, you can install or remove it by yourself, quick and convenient. [Easy to Use]Square hole drill bit adapter holder helps accurate and smooth drilling<br><br>It is a professional woodworking tool. Colour:As Shown Material:steel<br><br>Package Contents: 1 x Square hole bracket 6 x drill bit<br><br>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.