Adjustable Diameter Design: This drill bit features an adjustable radius design, allowing you to set different hole diameters as This eliminates the need for multiple fixed-size hole saws and provides great flexibility for various working conditions. Wide Applications: Ideal for installing recessed ceiling lights, speaker holes, vents, junction boxes, and other interior finishing projects. Suitable for home renovations, commercial buildings, and professional workshops. Compatible with Multiple Materials: Designed for cutting drywall, aluminum, plastic sheets, veneer boards, and other similar sheet materials, it produces smooth edges. Helps reduce chipping and burrs, providing a cleaner with minimal post-processing. Multi-functional Adjustable Hole Saw: This adjustable round hole drill bit is designed for precise circular cuts in a variety of materials, including wood, plastic, drywall, aluminum, and drywall. Ideal for DIY enthusiasts, carpenters, electricians, and installers, it easily produces clean, round holes. Easy Installation and Operation: Compatible with most standard electric drills and hand drills. Simple assembly and adjustment, suitable for professionals and DIY enthusiasts. Always operate at the appropriate speed and pressure for optimal cutting results., Manufacturer: Uxsjakjsd