- Versatile and efficient: Replace dozens of conventional hole saws with our adjustable circle hole saw cutting kit for faster, safer and more precise cutting. Designed for carpenters, interior designers, professionals and DIY enthusiasts who need exact hole sizes with less effort. - Adjustable double blade cutter: Cut holes from 40-200 mm (1-5/8 to 8 inches) in ceilings, walls and floors. Achieve cutting depths up to 19 mm (3/4 inch) on one side and 30 mm (1-1/8 inch) on two sides, calibrated in the metric MM scale for accuracy. - Double blade design for stability: Two balanced blades minimize vibration during operation. High speed steel blades are suitable for wood, plastics, laminates and rubber, while tungsten carbide blades are excellent for drywall, plaster, fiberglass and plywood. Not suitable for concrete or stucco. - Effective dust management: The kit includes a ball bearing ABS dust cover with a soft silicone rubber seal to trap dust and chips and prevent dirt and floating particles in your work area or on furniture. - Practical use scenarios: - Install ceiling recessed lights or vents by cutting precise circular holes without wandering. - Create pass throughs for electrical conduits, wiring, or plumbing in walls or floors. - Make clean access holes in furniture, cabinets or flooring for cables, adapters, or components. - Specifications at a glance: adjustable circle hole saw from 40-200 mm (1-5/8" to 8"); cutting depths up to 19 mm (3/4") on one side and 30 mm (1-1/8") on two sides; metric MM scale for accuracy; includes ball bearing ABS dust cover with silicone seal; blades include high speed steel for wood, plastics, laminates and rubber, and tungsten carbide for drywall, plaster, fiberglass and plywood; not suitable for concrete or stucco.