Click or scroll to zoom Tap or pinch to zoom Plain Flap B-830 Bore Polisher, Aluminum Oxide, 60 Grit, 6-3/4" x 1-1/2" x Each by NORTON $42.21 SKU BQ973 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.