The Mustad S80-3906 Signature Nymph Sproat Hooks provide unparalleled sharpness, superior strength and remarkable consistency. Precisely scaled with an optimally proportioned wire diameter, shank length, gap width and barb, the S80-3906 features chemically sharpened points ensuring instant penetration with every strike, and are forged tough using Mustad's exclusive Nor-tempering process for 30% less bends and breaks than comparable models.