Fits all standard fin boxes in the market. -A rubber O-ring to eliminate loosening while surfing. Material: 316 stainless Steel. -316 stainless steel construction, rust and corrosion resistant. -No Tool Required: Hand tighten against rubber o-ring, easy to install in seconds.
eBay
6.5/8/9.5/10 inch Surf Fin SUP Single Center Fin Nylon Long Board Surf Board Paddle Board With Fin Screw Surfing Accessories
Aliexpress UK
Compatible: Fit most single fin board like, SUP, longboard and paddleboard. 1 Fin Screws. 1 Screws with Plate. No tool needed: Tighten the screws against the rubber ring easily with your hands. Size:32 4mm.
eBay
Surfboard fin water wave SUP board accessory stablizer stand up paddle board surfboard screw central fin adjustable
Aliexpress UK
Fits all standard fin boxes on the market. Rubber O-rings eliminate looseness while surfing. 316 stainless steel construction, anti-rust and corrosion-resistant. Material: 316 stainless steel. Due to various factors such as monitor brightness, light brightness, etc., the actual color of the item may be slightly different from the pictures displayed on the website.
eBay
KOETSU Paddle Board Fin Quick Release Longboard Fin Detachable Surfboard Tail Fin Stand Up Board Fin Paddle Board Accessories
Aliexpress UK
Fits all standard fin boxes in the market. -A rubber O-ring to eliminate loosening while surfing. -No Tool Required: Hand tighten against rubber o-ring, easy to install in seconds. There are slight difference between the picture and the real item caused by light brightness,hope you can understand.
eBay
Paddle Board Fin Quick Release Longboard Fin Detachable Surfboard Tail Fin Protective Stand Up Board Fin for Paddle Board
Aliexpress UK
Compatible: Fit most single fin board like, SUP, longboard and paddleboard. 1 Fin Screws. 1 Screws with Plate. No tool needed: Tighten the screws against the rubber ring easily with your hands.
eBay
AQUA MARINA BLUEDRIVE K POWER FIN 12V Battery electric motor SUP Stand Up Paddle Board push Surf Kayak propeller no battery
Aliexpress UK
Suitable for standard surfboard tail box. 1 x Spring Screw. Spring design, firmly installed and not easy to loosen. Made of stainless steel, durability and functional. Material: Stainless steel.
eBay
G5 Soft top Surfboard Fins 50/50 Foil SUP Accessory Surf Fin Paddle Board Fin
Aliexpress UK
3/4/6pc x Surfboard tail fin screw. Hand-screw, easy to fix the tail fin, quick and easy to use. High quality 316 stainless steel refined, seawater resistant,, easy to. Material: 316 Stainless steel.
eBay
316 stainless steel screw fin box fixing stand up paddle board SUP surf board fin US fin box accessory
Aliexpress UK
Suitable for standard surfboard tail box. 1 x Spring Screw. Spring design, firmly installed and not easy to loosen. Made of stainless steel, durability and functional. Material: Stainless steel.
eBay
Surfboard Tail Fin Stand Up Board Quick Release Longboard Fin Detachable Paddle Board Fin for Surfboard Kayak Long Board
Aliexpress UK