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 5/16 in (8mm) wire, with 5/8 in (16mm) thread and a 18 thread count. It adjusts over a 5 in. (127mm) range. A 5/8 in. (16mm) pin fits the toggle.