Features: Adjust the position of the feet to fit different thickness board, quick and easy to punching holes on the side of wood boards with good verticality and higher punching accuracy. Widely used for precise positioning when punching holes on the side of wood boards, quick positioning of the opening allows for seamless splicing between the boards. Made of aluminum alloy with excellent-surface oxidation-treatment, with high hardness, wear-resistant, rustproof, solid, durable and excellent for use. High-precision, the fastest and most accurate design for installing kitchen drawers, cabinets, door handles and drawer fronts, hinges or shelves. Make settings simple and fast. Quick-release drill guide block, easy to set to any length, set once and-reuse. Specifications: Material:Aluminium Alloy Size:Approx.9.8x5x1.5cm/3.85x1.96x0.59inch Drill Sleeve Size: 6/8/10mm Color:Black Package Includes: 1x Drill Guide Locator note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.