Features Adjustable Size Capability: Easily modify the opening size for fast and convenient drilling, enhancing your woodworking efficiency Durable Aluminum Alloy Construction: Built from high-quality aluminum alloy, this tool ensures longevity and resistance to wear for dependable performance Clear Accurate Scales: The precise measurement markings enable efficient and accurate hole drilling, minimizing errors and saving time on projects Comprehensive Accessory Set: Includes a unique bit, bearing, pivot pin, grip, and wrench, making this tool versatile for various applications Versatile Use Cases: Ideal for hole openings in integrated ceilings, including planks, gypsum boards, and aluminum gussets, making it perfect for diverse woodworking tasks Features: 1、Adjustable Design: Adjustable hole opener set, you can easily adjust the size of the opening hole for fast drilling, which is convenient and practical. 2、Aluminum Alloy: The hole opener is made of excellent aluminum alloy material, proof and resistant, and has a long service life. 3、Accurate Scales: The multifunctional hole saw has accurate scales, which is clear and intuitive, making hole drilling more efficient and accurate. 4、Other Accories: With unique bit, bearing and pivot pin, equipped with grip and wrench, this hole saw set is suitable for a wide range of applications. 5、Applicable Scenes: Widely used in the hole opening of integrated ceilings such as planks, gypsum boards, and aluminum gussets (not for metal). Specification: Item Type: Adjustable Hole Opener Material: Aluminum Alloy, Iron Colour: Black Application: Widely used in the drilling of the integrated ceiling of thick wood, gypsum board, aluminum gusset and other plates (can not drill metal), convenient and practical. Package List: 1 x Hole Opener 1 x Milling Cutter 1 x Drill Bit 2 x Non Slip Grip 1 x Hex Wrench 1 x Small Handle 1 x Screw 1 x Storage Plastic Box Package List 1 x Hole Opener 1 x Milling Cutter 1 x Drill Bit 2 x Non Slip Grip 1 x Hex Wrench 1 x Small Handle 1 x Screw 1 x Storage Plastic Box