Features: - [Small bulkiness]: Nylon plastic material, not cast iron material, reduce weight.  - [Four-sided disassembly]: Removable on all sides, lightly pressed, lightweight and convenient, worry-free and labor-saving.  - [Humanized design]: Up-down design, the brush will not be deformed, always protect the brush from damage and the brush is level with the knife.  - [Don't hurt your hands]: Arc design unique beauty, the roundness of the four sides is not easy to hurt your hands.  - [Flat design]: The flat suction port is better designed and stronger. (Interface of suction pipe is 100mm).     Specification: Produce name:Free-fall dust hood;  Door opening type:Left-side bayonet type;  Material:Nylon plastic;  Color:Red;  Spindle Diameter:70mm, 75mm, 80mm, 85mm, 90mm, 100mm (Optional);  Interface of suction pipe:100mm;  Use for:Advertising engraving machine, woodworking engraving machine;     Produce Included: (Optional) 1 xFree-fall dust hood (Choose the Spindle Diameter you want)