Increased protection for bigger tire inflation. MARTINS’ certified 5-bar OTR tire inflation cages provide good protection to your employees when inflating off-road, military vehicle, tractor and aircraft tires and exceed OSHA standard 29 CFR 1910.177 in the U.S. The 5-bar OTR tire inflation safety cages are robotically welded using steel that meets the toughest standards in North America, which ensures precision and quality for every unit. With superior manufacturing materials and finish, MARTINS’ tire inflation cages are the best and safest choices on the marketBefore using the product, please read the instructions carefully.