10 Bolts and 10 Rim Clamps (Wedges). 1/2" x 13 thread (per inch) x 2-1/4" long (coarse thread). Bolt measures 2-1/2" long with a 3/4" head diameter (see photos). Universal use on mobile homes & lowboy construction trailers, clamp is used for holding the wheel to the hub - fits many other trailers as well.
