➤ [Easy to Install and Remove] The square hole drill adapter coring tool is easy to install and remove, you can install or remove it by yourself, fast and convenient ➤ [Sturdy and ] The square hole drill fixing bracket is made of high quality cast aluminium, wear-, high hardness, sturdy and , long service life. ➤ [Suitable for handheld drills] Square Hole Drill Bit Adaptor is suitable for handheld drills, but not for bench drills and rechargeable hand drills. Size: 15cm, Diameter: 53mm, Maximum cutting depth: 10mm ➤ [Easy to Use] Square Hole Drill Bit Adapter Holder helps to accurate and smooth drilling. It is a professional woodworking tool, Manufacturer: Akfldms