SET: You will receive 6 pieces of stainless steel bore brushes with handles, many quantities, different sizes for your different needs, suitable for replacing hand brushes, more grip for better control. PRACTICAL DESIGN: Wire cleaning brushes are designed for easy access to narrow holes and confined spaces and can be used for ports, pipes, bearings, cylinders or other tight cleaning requirements. EASY TO USE: You can easily attach a brush to the included handle to remove rust or dirt, and can also be used with a power drill or die grinder to give you an efficient cleaning. MULTI-SPECIFICATIONS: There are 6 different sizes of pairs of stainless steel bore brushes including diameters 8 mm, 10 mm, 12 mm, 15 mm, 17 mm and 19 mm; each brush has a 4 inch long and 1/4 inch hex shank, can be mounted on any power drill or die grinder (not included). DURABLE MATERIAL: These cleaning round steel brushes are made of high-quality stainless steel material and are strong, not easy to wear or break, you can use them for long-term service. Color: silver Material: Stainless steel Package contents: 6 * wire brush for drill Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.