Disc Brake Caliper with Bracket Front Left&Right for Chevy for Blazer 98-05,for GMC for Jimmy 98-05 for Sonoma 98-04,for Isuzu for Hombre 98-00,for Olds for Bravada 98-01. It is typically positioned around the brake rotor or disc and is responsible for applying the necessary strength to slow down or stop the rotation of the wheels.