The Anglers Image® Nail Knotter has many features. Made from aluminum with high precision machining, this neat little tool is finished with a tough anodised coating for durability. Its overall length is 3.5 inches and with this compact design, it can be hung from a lanyard or zinger. It can be used for tying nail knots from leader butt to fly line or from mono to mono for custom leaders. With this handy tool, the nail knot now becomes a very easy knot.