Firehole Stones (Round Speckled Tungsten Beads)

Precision round tungsten beads engineered for consistent sizing, clean bores, and accurate weight. Designed for fly tyers who rely on predictable sink rates and clean, functional profiles.

Why This Model Works

• True-to-size metric diameters for accurate fly proportions
• Clean, uniform bore for smooth seating on all hook styles
• Dense tungsten for fast, controlled sink rates
• Durable matte, speckled colorways

Ideal For

• Classic nymphs
• Pheasant tails and hare's ears
• Midges and micro-nymphs
• General attractor patterns
• Slim tactical subsurface designs

Specs

• Material: 100% tungsten
• Bore: Clean, uniform, precision-drilled
• Sizes: 2.0 mm, 2.5 mm, 3.0 mm, 3.5 mm, 4.0 mm, 4.5 mm
• Finishes: Matte, speckled finish
• Pack Count: 18/pk (all sizes except 4 mm & 4.5 mm), 12/pk (4 mm), 12/pk (4.5 mm)

Size Recommendations

• 2.0 mm - hook sizes #18 - #22
• 2.5 mm - hook sizes #14 - #18
• 3.0 mm - hook sizes #10 - #14
• 3.5 mm - hook sizes #10 - #14
• 4.0 mm - hook sizes #8 - #12
• 4.5 mm - hook sizes #4 - #8