Cross bars provide economical support for pallets between rack cross beams. The model SSB-42, is 1-1/2" high. It is designed to sit flush with the top of the rack step beam. The model PSB-42 is 1" high and is designed to be used with 1/2" plywood or particle board so the board will be flush with the top of the beam.The boxed steel bars fit our standard 42" rack. 14 gauge material. Cross bars provide economical support for pallets between rack cross beams Design is for half inch plywood or particle board in order to be flush with top of beam Boxed steel bars fit standard 42 inch rack for maximum efficiency Use in industrial applications for optimal results Pallet Support Bar Model Image PDF Width Length Height Wt.(lbs) PSB-42 3" 38-1/2" 1" 5 SSB-42 3" 38-1/2" 1-1/2" 5 KEY: = Approval Drawing -- = Warranty -- = Testing Certificate