The OTR OTR4515QHD 16.5" X 7" Brake Hardware Kit is a high-quality product designed for car and truck brake systems. This kit, also known as Automann 100451522BX and Euclid E-2769SHD, includes essential components to ensure proper brake functionality. With the manufacturer part number OTR4515QHD and also known as Meritor KIT8000HD, this brake hardware kit is a reliable choice for maintaining and improving the braking system of various vehicles.