Firehole Sticks & Stones Sizing Reference Chart

The references below are general suggestions when pairing a bead to a hook. Many tyers choose to oversize or undersize the bead as they see fit for their particular application.

| 2.0 mm - #18-#22 | 2.5 mm - #14-#18 | 3.0 mm - #10-#14 | 3.5 mm - #10-#14 | 4.0 mm - #8-#10 | 4.5 mm - #4-#8 

Hook Size

Stones can handle a barb!
  • #4 - #8
  • #8 - #12
  • #10 - #14
  • #10 - #14
  • #14 - #18
  • #18 - #22

Firehole Stones

Round & Slotted Beads
  • 3/16" (4.5mm)
  • 5/32" (4.0mm)
  • 9/64" (3.5mm)
  • ~1/8" (3.0mm)
  • 3/32" (2.5mm)
  • 5/64" (2.0mm)