NEW This is a Buss fuse holder that measures 2 1/4" long with a 1 3/4" outer diameter overall. The threaded portion of the holder has an outer diameter of 1/2". The prong on the bottom measures 1/4" long and wide. This product is made of glass and plastic. This HKP fuse holder is for a 30 ampere 250-volt fuse.
The Mueller part number for this fuse holder is 713-741.