uxcell 12x 1/8inch Shank 25mm Wheel Soft Bristle Brush for Rotary Tool Product Name : Bristle Brush;Material : Metal, Soft Bristle Type : Wheel Shape;Shank Dia : 3mm (1/8inch);Shank Length : 35mm / 1.4" Brush Wheel Dia : 25mm / 0.98";Brush Wheel Thickness : 2mm / 0.08" Total Length : 50mm / 2";Color : White, Silver Tone Weight : 57g;Package Content : 12 xBristle Brush for Rotary Tool(Non-OEM)