Crossflex Heavy Duty Bore Brush, 4-1/4 Diameter, 320Sc Grit, Weiler 34281. CrossFlex Heavy Duty Bore Brush 4-1/4 Diameter 320SC Grit Product Features Desired Finish - CrossFlex offers a wide range of grits and sizes allowing machinists to achieve the desired finish Heavy Burr Removal - Increased brush to part contact ensures that the heaviest burrs will be removed, outperforming standard nylon tube brushes Long Life - CrossFlex brushes have a long operational life, lowering total cost of use compared to other brush options Flexible Nylon Stems - Distribute pressure evenly and self centers within the part to create an ideal hone. Consistent Cross Hatch Pattern - Helps to seat piston rings and retains oil for lubrication in a combustion cylinder. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!