Chinook Plastic Vent Screw with O-Ring

The Chinook Sailing Thumb Vent Screw w/O-Ring is a replacement thumb-style vent screw for windsurf and paddle boards, designed for quick tool-free installation and removal. It features durable plastic construction and an O-ring to create a watertight seal, fitting all Chinook vent systems and most other board vent inserts. Proudly made in the USA.