Material: Pocket Hole Jig is made of high quality aluminum alloy, which never rusts and is not easy to crack. Durable and stable, can withstand the maximum strength of drilling and grinding, and long service life. Size: The pocket screw guide size is 67mm x 38mm x 18mm, small and exquisite, can be fully held by one hand. 3 Size Adapter: The pocket screw guide comes with 6 pieces of 3 size (6/8/10mm) drill adapters, you can choose the suitable adapter according to the drill hole size you need. Easy to use: Convenient and easy to quickly drill angled holes. When in use, attach the drill guide block and drill small holes in wood with the drill to hide screws in wooden furniture and for precise screw joints. Application: woodworking tools Perfect DIY for creating those angled carpentry holes and repairing wood joints, suitable for professional woodworking and home use.