Gentle spring action makes your dog fence safer and more comfortable too! Great for dogs with any type of coat! Fits most dog fence collars that accept a screw-in contact post. Can be used with all Perimeter Technologies Systems, PetSafe PIF-300 and PetSafe PIF-275-19.

• Can be used with all Perimeter Technologies Systems PetSafe PIF-300 and PetSafe PIF-275-19.
• Fits most dog fence collars that accept a screw-in contact post.
• Gentle spring action allows the contacts to adjust to your dog.
• Material Metal, Plastic