Premium Texture: The square hole drilling rig mounting bracket is constructed from premium aluminium, which is wear resistant and has high hardness, allowing the mounting bracket to show good stability in the process of use Easy to Install: The square hole drill adapter insert tool has convenience in installation and removal, its operating process is easy, the user can complete the installation or removal work according to the corresponding steps, the process is more convenient Easy to Use: As a professional woodworking tool, the square hole drill adapter bracket has an important role to play in woodworking operations, it can provide effective assistance for drilling operations, which helps to ensure that the drilling handling achieves accurate results and runs smoothly Fixing Bracket: The role of the square hole drill fixing bracket is to support the exposed clamping part of the electric hand drill, its width is about 20mm/0.79inch, the diameter is in the range of 38mm-43mm/1.50 inch-1.69 inch, you need to carefully check the size before use Adaptation Range: The square hole drill adapter has a certain range of adaptability, it can be used for handheld drills, but it is not suitable for tabletop drills and rechargeable drills<br><br>It can hold the wood or square hole drilling tool firmly in position, preventing the wood from moving or the drilling tool from shaking or shifting during the drilling process, ensuring that the drilled square holes are of accurate size and shape The fast and easy installation and fixing of wood and drilling tools reduces the time spent on positioning and adjusting, making the use of woodworking square hole drills smoother, enabling fast completion of square hole processing tasks and improving overall work efficiency Colour:silver Material:aluminium note:Without drill bit<br><br>Package Contents: 1 x Square Hole Holder kit<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.