High Quality MaterialPocket Hole Jig is made of high quality aluminum alloy which never rust and hard to crack. Durable and stable, can withstand maximum resistance to drilling and grinding and long service life. Various Sizes The pocket screw guide size is 67mm x 38mm x 18mm. It is small and exquisite and can be fully held with one hand. Easy to UseConvenient and easy to quickly drill angled holes. When in use, attach the drill guide block and use the drill bit to drill small holes in wood to hide screws in wooden furniture and create precise screw joints. 3 Size Adapter The pocket screw guide comes with 6 drill adapters in 3 sizes (6/8/10mm). You can choose the appropriate adapter according to the size of the drill hole you need. Strong applicabilityDIY woodworking tools, perfect for making angled woodworking holes and repairing wood joints, work great to DIY family projects or general professional and commercial use. The angle drill guide is an indispensable tool for DIY family carpentry!