For use with 3/8" plywood. Manufactured from 14 ga. steel or 14 ga. 304 stainless steel. Pan recessed 3/8" to allow mounting direct to truck body or trailer body cross members. 3 Mounting holes countersunk for 1/4" screws. Overall length - 5" Overall width - 3 1/2" Depth - 3/8" Finish - Zinc plated or Stainless steel Weight - 1/2 lb.