Firehole Stones are premium tungsten beads designed for fly tying enthusiasts who demand quality and performance. Crafted for durability and precision, these high-density beads help flies sink quickly to reach feeding zones faster. Available in a variety of sizes and vibrant, chip-resistant finishes, Firehole Stones add realism and weight to nymphs, streamers, and other subsurface patterns. Their large, consistent countersunk holes make threading effortless, ensuring a snug fit on hooks without slipping. Whether you’re tying classic patterns or experimenting with new designs, Firehole Stones provide the perfect balance of function and aesthetics for serious fly tiers.