Dustproof 160mm Hole Saw Cover for Downlight Spotlight Installation Compatible with Electric Hammer Drill Dust Collector Tool Effective Dust Control: Sharp and hard-wearing, it works efficiently and the dust cover has a wide enough internal diameter to protect against dust.<br> Wide Range of Bore Sizes: All drill bores up to 10mm are suitable.<br> High-Quality Material: The dust cover as a whole is made of high-pressure polyethylene, with transparent and flexible pipes that can be tightened against the wall during operation.<br> Stable Without Wobbling: The built-in high-speed spindle ensures that the dust cover does not turn during operation and is stable.<br> Easy To Install: Threaded bite for easy removal of the insert bearing, tight connection, and simple installation.<br> Widely Applicable: Suitable for woodworking openers, bi-metal/metal/glass/alloy openers, locking hole drills, compatible with cordless and hand drills, suitable for renovating thin woodworking panels such as aluminum, plasterboard, and trim board, various downlight installations.<br> Colour: transparent color<br> Material: polyethylene<br> Size: 160x160mm<br> Package Contents:<br> 1 * Hole Saw Dust Cover<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.