Walter 15-L 453 Grinding Wheel 4-1/2" 36 Grit (Box of 25) Walter Surface Technologies Sale! from 20750 /per Qty. 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. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Flexcut Grinding Wheel, 4-1/2" Diameter, 5/8-11" Arbor Hole, Aluminum Oxide, 36 Grit SKU:WLT 15L453