The body is made of transparent plastic. It attaches to the collar and is screwed in place of the standard metal guard. Dust is extracted while cutting. It features a cutting depth adjustment. It can be connected to a vacuum cleaner. Compatible with most 115 mm and 125 mm angle grinders on the market. Technical specifications: Cutting depth adjustment: 3 - 32 mm Diameter of copper collar: 51 mm Adapter at the collar: Metal 47 mm, Plastic 45, 42, 39 mm flexible adapter for connecting hoses: 24 - 35 mm Weight: 0.850 kg. The set includes: 1x body, 1x hose adapter, 4x adapters, 1x collar, 1x mounting housing, 1x screw key.