Ideaful to clean rust, painting, welding burs.. size: 100,115,125,150,175,200mm reliable quality,good performance. Wheel Brushes The wheel brushes have different specifications:1) Diameter: 75, 100, 125, 150, 175, 200, 250, 300mm2) Material: knotted steel wire; 0.35, 0.5mm3)Thread: M10x1.25 M10x1.5 M14x2 5/8"-114)Aboe hole: 1/2"(12.7mm) 5/8"(15.8mm) 7/8"(22.2mm) Inner packing:1pc/color box