Doweling Jig Woodworking Tools Adjustable Hole Opener Grade Round Punch Locator Drill Guide Hole Cutter for Plasterboard

Made of high-quality aluminum alloy & iron materials, practical and durable. Opening range: diameter 40-250mm/1.57-9.84 inches. Sheet Thickness: less than 30mm/1.18 inches. The hole position is adjustable, convenient and fast. Easy to use. It is widely suitable for thick wood board, gypsum board and other plates (without metal), which is convenient and practical.You may also like Driver Ground Rod Alloy Steel Drill Bit Diameter 50mm for Driving Hammer.