ITEM NAME:Black Dust Blower Fan For Rotary Tools -Thread M8X0.75 24x18 x10mm TO Description Small electric grinder sandwich zipper lock nut Blowing dust Blows dust away for greater visibility. Great for sanding, engraving, and carving Specifications: material: Plastic+ Alloy Colour: Black Dimensions: 24 mm x18 mm x10 mm Suitable for: the distribution metric 8 * 0.75 electric grinding mill spindle, for Hilda electric grinding and conventional grinders Installation method: Hold down the axis lock, opening wrench to loosen the collet Select the appropriate sandwich and grinding, and installed put dust impeller with a wrench to tighten the installation is complete Package contains 1 x Dust Blower Fan.1 x Dust Blower Fan. Small electric grinder sandwich zipper lock nut Blowing dust. Colour: Black. Blows dust away for greater visibility. Hold down the axis lock, opening wrench to loosen the collet.