Stimpson Self-Piercing Grommet and Washer Dull Black Chem Reliable, Durable, Heavy-Duty #1 Set (900 pieces of each) FAST SHIPPING - Orders are shipped within 1 business day. All orders placed by 2:30pm ET ship same day! HIGH QUALITY - All products are rigorously inspected in-house to yield near-zero defect rates. Stimpson has been ISO 9001 certified for over 10 years. RICH HISTORY - Founded in 1852, Stimpson produces the largest variety of standard and special eyelets, grommets, washers and hole plugs of any single company in the world. LIFETIME GUARANTEE - No hassle return for any item defects, full replacement of items guaranteed.