178mm diameter x 25mm width x 32mm bore, 0.3mm Wire length The all-round brush for medium to heavy brush applications. Multiple row brushes are best for treating larger surface areas because of their wider face width. A special advantage of these brushes is the added choice of adaptors to fit most popular spindle diameters. Max RPM: 6000 This item comes with reducing bushes for 1/2"(12.7mm), 5/8"(16mm), 3/4"(20mm), 7/8(22.23mm) and 1"(25.4mm) Price per 1 wheel.