🔊 Enhanced Performance: Adjustable 40-200mm Recessed Speaker Ventilation for Optimal Sound Output Review

【20 in 1】 The Adjustable Circle Hole Saw Cutter set includes a custom tool box with handle, an ABS dust cover, one auger type self-feeding pilot bit and one HSS pilot bit, one set of HSS blades and two set of tungsten carbide blades, five Brad-point wood drill bits and five Masenry drill bits, one Long Arm Hex Key Wrench, one Carpenter Pencil and one tape measure (length is 3m). 【Infinitely Adjustable】 The Circle Hole Cutter Set is designed with double cutter head rotary cutting. You can adjust yourself according to your needs to cut any diameter between 40mm to 200mm (1-5/8" to 8") and height 1-1/8" round holes. 【Subversive Design】 Our Adjustable Hole Saw - Cutter set gives the hole saw an ABS guard with a rubber gasket for a better fit. During your hole drilling to the ceiling, it can collect most of the edge debris to make you more safe and convenient during the work. 【Applicable to many materials】 It can be easily installed on both table drills and hand drills. It is recommended to use HSS blade when cutting wood, Aluminum Composite Panels, plastic, rubber, acoustic tile, laminate; use tungsten carbide blade when cutting drywall, plaster, hardi board, fiberglass, particle board, plywood, MDF. 【100% Money-Back Guarantee】For any reason you are not satisfied, you can request a free replacement or a full refund. If you have any questions about the product, please feel free to contact us. We will reply within 12 hours.