SpecsFully machined 1018 Steel slugs.5 lb. = 4" Diameter Steel slug10-20 lb. = 6" Diameter Steel slug25-150 lb. = 8" Diameter Steel slugHandle size (Slug to slug) = 5.75"100 lb. Steel slug = 3.5" Wide120 lb. Steel slug = 4.25" Wide150 lb. Steel slug = 5.4" Wide32mm Handle machined from 1018 Steel bar stock with HARD Chrome plating and a Diamond-cut, Positive Medium Knurl