What you get --- The set of nylon brush contains 75mm + 50mm nylon disc brush, 75mm + 63mm + 50mm nylon pot brush and nylon 30mm + 25mm brush brush.Can be used to remove rust, corrosion and color and will meet your many needs.1/4 inchShaft fits all drills. than wire brushes --- The synthetic, chemical-resistant nylon bristles are than wire brushes and will neither beat nor corrode, sting, rust or drop under normal conditions. --- nylon brushes are made from high-quality nylon fibers that are soft and flexible.Aluminum oxide particles are added to prevent abrasion and reduce wear.Maximum security for the user, gentle cleaning and long useful life of the brush. Versatile application --- set for polishing and deburring wood.Can also be used to remove color, corrosion, sweat oxide, surface rust and metal .Can be used on stainless steel, wood, aluminum, tiles, stone surfaces, etc. Can with Extremely High Working Strength --- The 1/4-inch handle of the nylon brush withstands a speed of 4500RMP. of stability and security.Long-term use of abrasive wire brushes made of nylon composite glaze does not cause any risk of breaking and replacing. Color: Red Material: nylon Package Contents: 7 x nylon brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.