3 DIFFERENT SIZE WIRE BRUSHES: This set includes 12 wire end brushes which offer 3 different sizes (0.8inch, 1inch, 1.2inch) with 4 brushes per size. These wire brush drill attachments can help you tackle rusted surfaces, narrow corners, and intricate edges. STRONG & DURABLE: These wire brushes are crafted from premium-grade carbon steel and have excellent rugged connections so that the wire will not be lost and bent during intense use. The bottom of the wire wheel brush is not in hallow and can withstand the high speed of the 4500RMP which is not easy to break and deform. UPGRADED HEX FOR ENHANCED STABILITY: The hex provides a tighter grip that is more stable and safe than traditional round shanks. It is not easy to loosen or at high-speed working. The 1/4-inch hex can cover a wide range of drills including standard power drills and pneumatic air drills, etc. WIDE APPLICATION: The wire brush for drill is perfect for removing paint and rust, deburring sharp edges, edge blending, deep cleaning, and more. Colour:silver Material:Carbon steel Package Contents: 1 set x wire brush drill 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.