60PCS Steel Wire Cup Mix Brush Set For Dremel Rotary Tool Accessories Features: *100% brand new and high quality. *Advantages:small, good polishing effect, high efficiency, low cost. *Very perfect for metal surface cleaning, derusting, grinding, deburring, polishing and residue removal. *Widely used in microelectronics equipment, jewelry and impression production. *60pcs wire brush set can meet your different requirements. *Suitable for your polishing needs, can be used for metal and non-metal materials. *Can removes rust and corrosion . *Use on items made of brass, copper, gold or other soft ferrous metals,such as tools, door knobs, automobile parts and electrical contacts. *Fit for hand drill, drill press , Foredom tool with a 3mm collet. Specifications: *Material: Stainless Steel *Color: Silver (As Pictures Show) *Length: 40mm / 1.57 inch (Approx.) *Handle Diameter: 3mm / 0.12 inch (Approx.) *Shaft diameter: 3mm (Approx.) *Wheel diameter: 25mm (Approx.) *Large Cup diameter: 20mm (Approx.) *Brush diameter: 6mm (Approx.) Package Contents: 20x 25mmSteel Wire Brush Wheel 20x 15mm Steel Wire Brush Wheel 20x 6mm Steel Wire Brush Wheel Note: 1, The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2, Please allow slight manual measurement deviation for the data.