chinook

Brass Insert- 1/4-20 thread- 9mm diameter

Brass Insert- 6mm thread, 11mm Diameter

Brass Insert- 6mm thread- 9mm diameter

Fin Screw- 1/4-20 Imperial Thread

Fin Screw- M6 Metric Thread

US Box Fin Tab and Screw- 1"

US Box Fin Tab and Screw- 7/8"

Washer for Fin Bolts- Neoprene

Washer for Fin Bolts- Stainless Steel