GOLBERG’s Rope Fids are used to splice rope and add accents into paracord weaving projects and survival bracelets. The blunt end prevents snagging and its smooth exterior makes it easy to thread through your bracelets and paracord projects. The fids come in multiple size options including 1/4”, 5/16”, 3/8”, 7/16”, 1/2”, 9/16”, 5/8”, 3/4”, 7/8” or 1”. Recommended rope sizes that will fit in each fid are listed below. GOLBERG product is backed by GOLBERG’s quality guarantee.Sizes:1/4” x 5.5” (Fits 1/8” Rope)5/16” x 6.75” (Fits 3/16” Rope)3/8” x 7.75” (Fits 1/4” Rope)7/16” x 9.5” (Fits 5/16” Rope)1/2” x 11” (Fits 5/16” Rope)9/16” x 12.25” (Fits 1/2” Rope)5/8” x 14” (Fits 7/16” Rope)3/4” x 16” (Fits 1/2” Rope)7/8” x 19” (Fits 5/8” Rope)1” x 20.5” (Fits 5/8” Rope)Note: Rope will fit differently with each fid depending on the type of rope.