Made of high quality aluminum, the pocket hole jig is rust-proof and has a long service life. Easy to open a 15 degree angle on a board, the boards are more secure and the furniture more beautiful. The screw bit size of 6,8,10mm can meet your different needs. Easy to use compact design, suitable for work professional woodworking and for domestic use. Practical to use, the drilling template is an essential tool for woodworking at home. Note: the data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.