Corner bumpers are designed to install on any piece of equipment or cart that could potentially damage walls and to child-proof sharp corners to prevent potential damage to children or animals caused by sharp corners. Our Gray 1" Thick by 3" long sides corner bumpers are non-marking and steel reinforced. CasterHQ's gray corner bumpers must be drilled into your equipment using 5/16" screws. Each Corner Protector has two holes on each side, totaling four holes per bumper. This corner bumper is commonly added to carts to prevent wall damage while rolling through hallways, hospitals, cruise ships, or tight spaces. The corner bumper will help prevent the corner of the cart from damaging walls or scratching areas that need protection. This is a fantastic upgrade to any cart, platform truck, or equipment as a preventive method for protecting walls. Some customers will use these corner bumpers on their tables, countertops, and household items to prevent toddlers from accidentally bumping their heads on potentially hazardous areas in homes to protect the little ones from getting hurt. There are numerous applications for corner bumpers, so we stock thousands in our Mansfield, TX, warehouse for immediate delivery. Our largest industry for Corner Bumpers is the cruise ship industry. Royal Caribbeanand Carnivalboth like to equip all of their housekeeping carts and janitorial carts with our bumpers to protect the walls in their tight hallways while also protecting the ankles and shins from guests who might accidentally walk into a cart that is in the hallway or around a corner that they are not aware of. Our corner bumper is equipped with a steel insert allowing the rigidity and stability needed to hold the shape and provide longevity to the life of the bumper. The outside is a polyurethane material.