New 20 pieces Brass wire FLAT BRUSHES * They will fit your hand drill, drill press & your Dremel® and Foredom® tool with a 1/8" collet. * Overall length is 43mm (1 3/4 inch) * Shank diameter : 3mm (close to 1/8 inch) * Wheel diameter : 25mm (1 inch) * Wheel thickness : 1mm to 1.5mm * suitable for removing rust and oxidation. THK® specialized in wide range of diamond tools, nuts & bolts, bits, saws and machinery etc. Our products are quality assured according to the advanced technology applied and strictly control the quality of raw materials. We supply many of the main stream Construction Companies right here in Hong Kong. Our products are in use at many of the larger projects such as, the HK airport and HK Disney Land. We will ship your order within 24 business hours after payment has been received. Normally it takes 7 to 14 days for delivery to your home.