ITEM NAME:1Piece Drill Dust Collector Rubber Dust Cover Electric Hammer Drill Dust Co V7H8 1Piece Drill Dust Collector Rubber Dust Cover Electric Hammer Drill Dust Co V7H8 Electric Hammer Drill Dust Cover Color: Black Material: Rubber Recommended bit range: 6-14mm Application: Electric hammer,electric drill Gasket Installation: 1. Set the drill bit into gasket. 2. Screw down the gasket along bit. 3. Bit shank across the cover. 4. Install the bit on the electric hammer. Note: Please adjust the position of gasket to keep it 3mm away from the bottom of dust cover, so that the cover will not rotate with the drill bit. Package Contents: 1* Dust cover 4 * small glue circle Only the above package content, other products are not included. Note: Light shooting 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..Set the drill bit into gasket. Screw down the gasket along bit. Material: Rubber. 1 Dust cover.