Provide good protection to your employees when inflating truck & bus tires, use certified MARTINS safety tire inflation cages that meet OSHA standard 29 CFR 1910.177 in the U.S. The 4-bar safety tire inflation cages are robotically welded using steel that meets the toughest standards in North America, ensuring 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 tire inflation cage, please read the instructions carefully.