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 3,500# through 7,200#.