Voltage 24, Spring w/, Brush w/, Brush Length 17.00, Outer Diameter 93.00, Brush Gear Width 14.00, Inner Diameter 23.00, No./brushes 2, Remarks Neg. brushes. Brush set: HC-CARGO BSX135-1454., Brush Height 24.50, Brush Thickness 8.00, Height 34.00