➤ [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 ➤ [Sturdy and Durable] The square hole drill fixing bracket is made of high quality cast aluminium, wear-resistant, high hardness, sturdy and durable, long service life. ➤ [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 ➤ [Easy to Use] Square Hole Drill Bit Adapter Holder helps to ensure accurate and smooth drilling. It is a professional woodworking tool Color: As Shown Material: Metal Package Contents: 1*Square Hole Drill Bit Adapter 2*Wrenches 2*Plastic Washer 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.