Features For Woodworking:Suitable for most wood industry, used for cabinet doors, floors, panels, desktops, wall panels, etc. EXCELLENT MATERIAL Made of excellent aluminum alloy material, with anodized surface, wear resistant and corrosion resistant. For fixing and centering: used for fixing and centering woodworking drills, with good verticality and more accurate board splicing. Multiple marking specifications: with 4 specifications of marking function, accurate positioning, easy to use and easy to use With 3 pieces nuts: there are 3 nut sizes of 6mm, 8mm and 10mm, which are suitable for most drill bits and meet different drilling requirements. Function: 1. EXCELLENT MATERIAL Made of excellent aluminum alloy material with anodized surface, wear resistant and corrosion resistant. 2. For Fixing and Centering:Used for fixing and centering woodworking drills, with good verticality and more accurate board splicing. 3. Multiple marking specifications: with 4 specifications of marking function, accurate positioning, easy to use and easy to use 4. With 3 pieces nuts: there are 3 nut sizes of 6mm, 8mm and 10mm, which are suitable for most drill bits and meet different drilling requirements. 5. FOR WOODWORKING Suitable for most woodworking industries, used for cabinet doors, floors, panels, desks, wall panels, etc. Specification: Item Type:Drill Positioner Material: aluminium alloy. Position length: approx. 14 cm / 5.5 inches. Positioner thickness: approx. 12 mm / 0.5 inches. Positioner marking specifications: 1/2, 3/8, 1/4, 1/8, 7/16, 5/16, 3/16, 1/16 Inner diameter of the guide nut: approx. 6 mm / 0.24 inches, 8 mm / 0.31 inches, 10 mm / 0.39 inches. Package list: 1 x positioner. 3 x nuts. 1 x wrench. Note: Please adjust the appropriate design size before use. Package List 1 x Positioner 3 x Nuts 1 x Wrench