The Webb 15" x 4" Outboard Mount Brake Drum is the perfect solution for heavy-duty commercial vehicles. With a weight of 81 pounds, this brake drum is built to last and can withstand extreme conditions and heavy loads. The brake shoe width of 4" and back plate thickness of .5" ensure that this brake drum provides reliable and consistent braking performance. The outboard mount configuration and standard bolt hole size of 1.00" make installation quick and easy, saving you time and money. The advanced M-type drum design helps to improve vehicle safety and reduce the risk of accidents. The brake surface diameter of 15" and overall depth of 9.04" provide ample space for the brake shoes to operate effectively. The brake surface flat of 4.50" and pilot diameter of 8.78" ensure that this brake drum is compatible with a wide range of heavy-duty commercial vehicles. Designed to meet or exceed OEM specifications, the Outboard Mount Brake Drum is a reliable and durable solution for your heavy-duty commercial vehicle braking needs. FleetPride is your First Click in Heavy Duty®.