petsafe fencing collars accessory pack rfa-529 (set of 2) petsafe <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.