This pattern will work all year round for trout and grayling when fishing the French nymph method. Effective pattern for general usage for trout and graying. Can be fished as a single nymph or as a dropper with other nymph patterns. This tungsten jig is tied on high-quality barbless jig hooks Hanák Competition Superb (H450BL) with high strength and great sharpness of the tip!Size 14: Tungsten bead 3.5 mmSize 16: Tungsten bead 3.0 mm