Pallet Rack Guard. Rack Sentry CONTOUR 75 fits any brand rack with an upright face 3" wide. Yellow. Features beam cutouts on the return arms for placement over beams 5" or 7" from the floor. Molded from a proprietary mix of flexible polymers, Rack Sentry CONTOUR minimizes the force of tow motor impact that can damage the structural integrity of your racks. Hook and loop straps included for easy installation and removal. 6 per carton. Overall Height 18 In., Overall Depth 5 In., Overall Width 5 In., Usable Opening Depth 3 In., Usable Opening Width 3 In. Fits over beam connector hardware. Freight Class 150.