1. Four sides are polished with rounded corners, without sharp edges or corners 2. The surface is smooth, rust-proof and wear-resistant, and it won't deform even after repeated use over a long period 3. A pre-designed hanging hole is provided for easy storage and carrying 4. It can quickly remove black spots, dust and minor drips that appear on the freshly sprayed paint surface 5. Size: about 3 x 2.5 x 0.3 cm
