This is a replacement trailer disc brake caliper slide pin guide bolt for Kodiak trailer disc brakes. This is Kodiaks part number DBC-MHGB. These sliders pins are 100% Stainless Steel and will never rust. They come with thread locker pre-applied. The slider pins use either a 5/16” Allen wrench or a ½” socket. The thread size is M11 x 1.5. This slider pin will fit Kodiaks disc brake sets 3,500lb through 7,200lb.