This series of Johnson Marine Open Body Turnbuckles with toggle jaws and swaged ends have a tumbled and plated finish. Each turnbuckle has a forged silicon bronze body with grade 316 stainless steel ends.
Johnson Marine recommends a working load less than 40% of the listed breaking strength. This Bronze Toggle connects to 3/16 in (5mm) wire, with 3/8 in (9mm) thread and a 18 thread count. It is 14 1/2 in (368mm) when closed and 19 in (483mm) when open.