Description: Suitable for wood drilling Woodwork guide oblique pocket hole positioner, easy to use and install Multifunctional pocket hole drill guide set, woodworking jig, exceptionally handy tool collection Drill guide is made of high quality aluminum alloy and anodizing finished for durability This jig creates flush, corner and angle pocket hole joints for leg-and-rail connections, building face frame cabinets and fastening picture frames with unlimited applications? Specification: Material: Aluminum alloy Surface Treatment: Anodized Color: as shown in the pictures Overall Size: Approx. 12x12x12cm / 4.72x4.72x4.72inch Drill Bit Diameter 9.5mm/ 0.37 inch (steel jacket heat treatment) Package Includes: 1 Set of Pocket Hole Drilling Jig as Pictures shown Note: Pls allow 1-3mm error due to hand test, thank you