Features: Drill guide sleeve: 2/3/4/5/6/8/10mm, meeting all kinds needs-. A set of self-centering drill guide tools for holding and centering while drilling and woodworking. Suitable for fixing on boards of various thicknesses, two claws are convenient for quick positioning of the hole center, dust removal groove- design. The height of the two feet can be adjusted according to the thickness of the board, making the drilling more accurate, a powerful woodworking tool. Made of quality aluminum alloy, high hardness, wear resistance-, rust resistance- & durability. Specifications: Material: aluminum alloy Package Includes: 1 Set Pocket Hole Jig note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item.