【Cost-Efficient 7 Pcs Wire Wheel for Drill】Double Elite wire wheel for drill kits are made of quality carbon steel wires & sturdy thickened metal plates / covers. The metal wire brush for drill kit includes 7 pcs of small 2 inch wire wheels for home projects use. The drill wire wheel kit is much cost-efficient than buying from most Amazon sellers or local tool stores. | 【More Durable with Upgraded Wires】The drill wire brushes are well-filled with crimped, untempered 0.012 Inch carbon steel wires. We specially upgrade the number and thickness of the bristles（1-1.5times) to ensure that the wire will not quickly fall off during intensive operation. All wires are rigidly secured to a safety-designed cup-shaped metal holder for added durability. The maximum rotational speed is 4500 RPM. | 【Securer with 1/4” Hex Shank Design】The wire brush drill attachments are easy to use, simply attaching to a drill then use. The 1/4-inch (6.35 mm) hex shank makes them easier for fixing on a drill and won’t fall off easily like round shank ones. Meanwhile, the hex shank covers wider drills including a regular power drill as well as a pneumatic air drill, etc. | 【7 Pcs and 21 Pcs Packs Available】Currently 7 Pcs and 21 Pcs Packs of wire wheel / wire brush for drill are available. These wire brush for drill sets include different types of drill wire wheels / brushes in multiple sizes, so to cover your most need in a home project. These wire brush drill attachments can do well no matter wide space/surfaces, narrow corners / holes or confined areas. | 【Wide Application】The wire wheel brush for drill rust removal can cover wide tasks, such as removing scale / paint, polishing wood crafts, finishing weld seams, and other light to medium-duty surface treatment of metals. For safety, before the work DO wear protective gear, such as goggles, mask, protective gloves and protective clothing.