Create Idea Drill Dust Cover Dust Collector Catcher Home Ash Bowl Bimetal Hole Applicability: Bimetal hole saws, glass hole saws and other hole saws whose handle diameter does not exceed 10mm/0.39 inches, the handle length not exceeds 20mm/0.79 inches, the hole opener length not exceeds 70mm/2.75 inches(Does not include handle length). Only for drills no larger than 10mm. Minimize Messes: When you have this drillers dust bowl on hand at your commercial, residential or industrial worksite, you can minimize messes as the bowl collects saw dust and messes while drilling large diameter holes. Stable and Elastic: Threaded occlusion, embedded bearing, simple assembly and disassembly, and can be attached to the wall. Transparent and elastic, it can be close to the wall when used, effectively preventing dust from spreading everywhere. Interior Tool: Eliminat e the need to vacuum or even don face mas-k-s and goggles when you can use this drillers dust bowl that collects saw dust when installing recessed lighting fixtures. Package: 1x Drill dust cover (included 10mm bearing). Note: Only the dust cover is included, and the hole opener is not included.