<b>System Includes:</b> <br> <br> - 2 1/2" medium stainless steel contact points <br> - 2 3/4" long stainless steel contact points <br> - 2 angled washers <br> - 2 flat washers <br> - 2 clear correction level caps <br> - 4 stainless steel receiver screws for RF-275 Stubborn Dog receivers (M2.5 x 0.45mm x 15mm Phillips Pan Head) <br> <br> These replacement parts are designed specifically for use with the following PetSafe and SportDOG fence collars: <br> <br> - PetSafe Deluxe Ultralight Dog Fence Collar <br> - SportDog Underground Dog Fence Collar <br> - PetSafe Stubborn Dog Fence Collar <br> - PetSafe Ultralight Pet Fence Collar <br> - PetSafe Instant Fence Wireless Dog Fence Collar <br> - PetSafe Underground Cat Fence <br> <br> Repair or Replace your pet's collar. Need replacement contacts, washers or cover screws for your PetSafe/SportDOG fence collar? Repair your dogs in-ground or wireless fence collar with this PetSafe RFA-281 Accessory Pack Universal Kit.