Fasten Tight Pet Carrier Fasteners 8 Pack Metal Kennel fastener bolts fit most pet Carriers kennel crates 8 pack, Solid Metal Nuts and Bolts For securing Kennel Anodized Aluminum Nuts & Steel Bolts Airline Required, Airline Approved kit includes 8 THUMBNUTS and 8 of each size bolts 7/8" & 1-1/4" & 1-3/4"