Perimeter Stainless Steel Contact Posts| Post Legnth| Medium (3/4")

Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars by Perimeter Technologies

Two Pack Perimeter Pet Fencing Dog Collar Batteries by Perimeter Technologies

Perimeter Stainless Steel Contact Posts| Post Legnth| Long (7/8")

Perimeter Technologies Invisible Fence Compatible R21 and R51 Dog Collar Battery

Perimeter Stainless Steel Contact Posts| Post Legnth| Extra Short (1/4")

Dog Fence Receiver Heavy duty Replacement Strap Red

Retractable Gentle Spring Contacts Silver

Two-Pack Dog Fence Batteries for Invisible Fence Brand Receiver Collars by Perimeter Technologies

Perimeter Technologies Comfort Contact Extra Receiver Collar

Perimeter Natural Rubber Comfort Contacts Dog Fence Collar Probes| Post Length| 3/4" Long