Effective Dust Control: Sharp and hard-wearing, it works efficiently and the dust cover has a wide enough internal diameter to against dust.Wide Range of Bore Sizes: All drill bores up to 10mm are suitable.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.Stable Without Wobbling: The built-in high-speed spindle ensures that the dust cover does not turn during operation and is stable.Easy To Install: Threaded bite for easy removal of the insert , tight connection, and simple installation.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 board, various downlight installations.Colour: transparent colorMaterial: polyethyleneSize: 160x160mmPackage Contents:1 * Dust CoverOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.