selma needles are unique, patented needles for hollow braids, double braids and three strands. Made of polished stainless steel over nickel plated brass. The five piece set includes needles for hollow or double braid from 3.5mm to 14mm or three strands up to 28mm in diameter. Simply place the cord into the hollow center of the needle and use the hook to hold it in place while you splice. Superior quality, selma needles are a must have in any splicing kit.