Item Type: Grinding Cover Model: B-150G Outer Diameter: Approx. 190mm / 7.48in Clamping Inner Diameter: Approx. 41 ~ 54mm / 1.61 ~ 2.13in Dust Outlet: Inner: Approx. 39mm / 1.54in Outer: Approx. 43mm / 1.69in Applicable Disk: Sticky disk 150 Applicable Models: 150/180 model 1Grinding cover supports simple installation and the edge of the brush improves dust collection. 2Manufactured by transparent polycarbonate, such cover supports improved visibility and durability by exquisite craftsmanship. 3Such grinding cover can be used for dust prevention when grinding with an angle grinder. 4And such grinder cutting hood supports captures of up to 99% of dust in the air. 5Durable and practical, movable front edge of the guard can be polished on the wall.1 x Grinding Cover1 x Hex Wrench