Hareline Lead Wire Spool delivers precision weight for fly tying applications. This essential material allows you to add controlled density to nymphs, streamers, and other weighted patterns without compromising casting accuracy. The spool format ensures consistent wire diameter and easy dispensing, making it simple to wrap uniform layers around hook shanks. Available in multiple gauges to match your specific pattern requirements, this lead wire integrates seamlessly into traditional and modern fly designs. A staple for serious fly tiers seeking reliable, predictable weighting solutions.