★ Aluminum Alloy: This Adjustable Punch Saw Tool Woodworking Cutting Tool is made of excellent aluminum alloy material, has high strength, wear resistance, and long service life, and can be used in various environments. HOLE PRO, 7 Pieces, 1 1/8 in Max. Cutting Dp, Adjustable Hole Cutter Kit - 4AYY5|X-305 Drywall Cutter Adjustable Hole Saw Kit Metal Adjustable Punching Saw Multifunctional Woodworking Round Hole Drilling Saw Cutter Diameter 45 130mm Hole Opener Saw To Hole Cutters Set For Wood Compatible with standard electric drills and cordless screwdrivers, it's a must-have for any DIYer or professional woodworker ★ Chips Collection: During the process of drilling to the ceiling, Adjustable Punching Saw can collect most of the chips and debris, with higher hardness and toughness, greater cutting strength, and better wear resistance. The Klein Tools Adjustable Hole Saw with Auto-Set Arms offers quick and precise hole cutting from 2 to 7-Inch (5.1 to 17.8 cm) in drywall and ceiling tile ★ Adjustable Range: Adjustable hole saw kit with a punching range of 1., 8‑5in (45‑130mm), capable of cutting holes of different diameters with one tool, greatly improving work efficiency.