The Webb 16.5" x 6" Outboard Mount Brake Drum is a top-quality brake drum that is perfect for heavy-duty commercial vehicles. With a weight of 115 pounds, this brake drum is built to last and can withstand extreme conditions and heavy loads. The brake shoe width of 6" and back plate thickness of 0.62" ensure that this brake drum provides reliable and consistent braking performance. The K-type drum design helps to improve vehicle safety and reduce the risk of accidents. The outboard mount configuration and standard bolt hole size of 1.31" make installation quick and easy. The pilot diameter of 9" and bolt circle diameter of 11.25" ensure that this brake drum is compatible with a wide range of heavy-duty commercial vehicles. The maximum wear diameter of 16.75" ensures that this brake drum will last for a long time, even under heavy use. The notched design adds an extra layer of durability and reliability. Overall, the Outboard Mount Brake Drum is a top-quality brake drum that is designed to meet or exceed OEM specifications. It is perfect for heavy-duty commercial vehicles and provides reliable and consistent braking performance. FleetPride is your First Click in Heavy Duty®.