Splicing Kit by Samson Rope®. For 1/4"-1/2" Line Diameters. Samson Fids are for splicing double braid and are available as a set or sold individually. A different size splicing fid is required for each size of rope. Kit includes tubular fids for 1/4", 5/16", 3/8", 7/16" and 1/2" line, a pusher and complete instructions.