Amazing Drapery Hardware Our eCRATER Store About Us Contact Us Add to Favorite Sellers 144 QTY-Osborne-No. N3-3-NICKEL Self Piercing Grommets & Plain Washers, size 3 (13170) 144 QTY - C.S.Osborne & Co. No. N3-3 NICKEL Self Piercing Grommets & Plain Washers Size 3 grommets have a 7/16" diameter hole when set in, 0.970 " out side diameter, and 0.185" Length under flange . For best results Set using W-1 & W-3 Machines with size 0 Self piercing grommet dies (MPN# WDISP0) . Press and Dies not included. Made of heavier gauge brass material than traditional sheet metal grommets. NICKEL finish. Pierce and set in a single action. No need for a pre-punched hole. No. N3-3 sets size 3 grommets. Size 3 grommets have a 7/16" diameter hole when set in, 0.970 " out side diameter, and 0.185" Length under flange . Hole punch not included These can be set using our Osborne Hand Press Machine No. W-1 or Pneumatic Machine No. W-3 with the correspondent self piercing grommet setting dies. ( Press and Dies not included ) MPN #13170 Click here for more product information Find this and much more, at our eCRATER store, Amazing Drapery Hardware. We ship internationally.Select one of our international shipping options to take advantage of our discounted international shipping rates . Buyer pays any import fees- tax/tarrif/duty. We also participate In the eCRATER Global Ship Program! Select this shipping option if you would like to use eCRATER's international package forwarding service. With this option, all import fees are included are included at checkout, and collected by eCRATER. WORRIED THESE ARE RIGHT FOR YOU? NO PROBLEM! We accept returns on all our parts within 30 days for a full refund. AND We are also here to help you through your ordering process. AND We are still here to help with any questions you may have about your installation once you receive your parts and get to work. QUESTIONS??? EMAIL US We have years of window treatment experience, WE CAN HELP!