Fasten Tight Kennel Hardware - Blue-8-Pack 1 size fits all, Anodized Aluminum Nuts & Steel Bolts Blue 8 pack, Solid Metal For securing Kennel Universal Replacement Kennel Hardware Airline Required, Airline Approved kit includes 8 THUMBNUTS and 8 of each size bolts 7/8" & 1-1/4" & 1-3/4"