Fasten the recovery devices to the Slimline II Rack using the t-slot system and included hardware. Mounts front to back or side to side on the rack with a low profile. Includes 2 threaded keys to allow fitment of either 1 or 2 pairs of Tred or Tred Pro recovery tracks. Also includes 4 eye-nuts and stainless steel hardware for fitment of MaxTrax recovery tracks. Add Stratchits - by Front Runner (Sold Separately) to secure other gear on top of the recovery device(s).