Heavy duty molded base. Brass clips and contacts with common buss bar. Use SFE 20A or 3AG series fuse. Each buss bar has one #8-32 x 3/4" stud with two hex nuts.FUSE AND TERMINAL BLOCK (SEACHOICE)SKU: 7.19249E+11$19.95PriceQuantity*Add to CartFeaturesGang6Size4-1/2" L x 3-1/4" W x 7/8" HCase12