Now you can repair those sticky or old alignment rear slip-plates without breaking the bank. This is a complete repair kit for standard size carbon steel or stainless steel rear slip-plates complete with lock-pins & retainer rings Repairs Hunter D / RL Alignment Rack Rear Slip Plates An easy repair that makes old slip plates like new. Now you can repair those sticky or old alignment slip-plates. This is a complete repair kit for standard size carbon steel or stainless steel rear slip-plates complete with lock-pins & retainer rings without breaking the bank. An easy repair that makes old plates like new. Repairs Hunter D / RL Alignment Rack Rear Slip Plates. KIT CONTENTS: (6) Ball Retainer Rings (15-5/8" wide), (188) 9/16" Celcon Balls, (24) 5" Stainless Steel Springs, (6) Stainless Steel Internal Washers, (4) Lock Pins