Samson Selma Splicing Fids, Set of Five (#4 - 13) Set of Five selma Fids Stainless Steel Size: 4, 5.5, 7.5, 10, 13 Tools for Double braid ropes up to 32 mm ( 1 1/4") diameter Tools for Hollow braided lines 3.5 mm (1/8") to 20 mm (3/4") diameter Tools for three stranded ropes up to 36 mm (1 1/2") diameter