Dependable, Well-Balanced, Long-Wearing Wheel For Coarse Buffing And Cutting All Materials Made From Selected White Cotton Material With Continuous Sewing With 3/8 in. Spacing Diameter: 6 in. Inches ; Arbor Hole Size: 1/2 in.-5/8 in. Wheel Thickness: 1/2 Inch Motor Size: 1/3-1/2 Hp