To ensure your pet's safety, regularly check all kennel parts for replacement. This Tri Wing 0.75" Hardware Pack is designed specifically for use with the Petco Classic Small Animal Carrier and the following Petmate® kennels: Kennel Cab®, Pet Taxi®, Deluxe Pet Porter®, Vari Kennel®, Sky Kennel® (older version discontinued in 2006) and the 2 Door Top Load Kennels. To ensure a proper fit, be sure to match your pet's kennel name with the above list. Each package contains 11 screws measuring 0.75" long and 11 wing nuts.