Feature: 1. Made by exquisite craftsmanship, the transparent polycarbonate is for improved visibility and durability. 2. Practical to use, such grinder cutting hood supports the connection of vacuum cleaner to vacuum.3. Improved for more durability, such kind of grinding cover can be built to strict quality control standards. 4. Support forward and backward cutting, such angle grinder accessories keep the guaranteed quality, you can use it with confidence. 5. This hardware tool can be used for dry-hanging marble / wall and floor concrete dust cutting, kitchen countertop / glass fiber reinforced plastic board vacuum cutting. Specification: Item Type: Grinding cover Cutting Hood: B-110A Size: Approx. 178 x 37 x 158mm / 7.01 x 1.46 x 6.22in Dust Outlet: Inner: Approx. 32mm / 1.26in Outer: Approx. 35mm / 1.38in Clamping Inner Diameter: Approx.41 ~ 54mm / 1.61 ~ 2.13in Saw Blade: Approx. 125 x 22.23 x 15mm / 4.92 x 0.88 x 0.59in Inner Hole: Approx. 16mm / 0.63in, approx. 20mm / 0.79in, approx. 22mm / 0.87in Thickness: Approx. 2.3mm / 0.09in Tooth Height: Approx. 15mm / 0.59in Cutting Depth of Hood: Approx. 27mm / 1.06in Package List: 1 x B-110A Grinding Cover 1 x 125 Slotted Disc 1 x Hex Wrench 1 x Screw 3 x Gasket