BHD1732 Bosch QuietCast HD Semi-Metallic Brake Pads Position: Front Product Description Bosch Heavy Duty Brake Pads Bosch OE heritage: 77 years of OE braking excellence promises the highest quality performance, industry-leading strength and durability, and exclusive innovations including Molded Shim Technology (MST) OE style components: Bosch QuietCast brake pads feature high quality shims, slots, and chamfers that follow OE platorm designs for superior noise and vibration reduction Friction material: Rigorously formulated and tested by Bosch�s engineers, the friction material in the QuietCast line are meticulously engineered to achieve superior performance Powder-coated backing plate: Prevents rust and corrosion for increased product life of the brake pad