Specification: Product Name: Drilling Positioning Ruler Made of: Aluminum Alloy Color: Red System: Metric Size: 54034014mm/21.2613.390.55inch Feature: Improve Efficiency: This drilling positioning ruler is precise to position for drilling, which is a good tool for anyone who needs precision drilling and installation. Versatile: Our drawer handle jig is versatile and flexible to use, which can adapt to different work requirements. It can help accurate drilling and installation even on uneven surfaces. Fast and Precise Drilling:This drilling positioning ruler has six sets of adjustable positioning blocks for faster and more accurate drilling, nailing or marking tasks. It allows for quick and precise alignment of holes, improving work efficiency Aluminum Alloy Jig:This woodworking hole drilling template is made of aluminum alloy and has ultra-high-definition scale plate markings. It has superior enduring and high strength Easy to Adjust Length and Angle:This jig has is equipped with an ABS knob that can adjust the length and angle, providing greater flexibility for measuring size and angle Auxiliary Dual-Axis Bubble Level:This cabinet hardware jig is equipped with an auxiliary dual-axis bubble level for precise horizontality and verticality. It can help accurate drilling and installation even on uneven surfaces Scope of Application:Our drawer handle jig can be used for installing kitchen drawers, cabinet knobs, door handles, drawer fronts, and more. It is suitable for builders, professionals, cabinet makers, and even novices and beginners Parts List: 1Drilling Positioning Ruler