Center Fin 8" Longboard/SUP 8-inch Fin for airSUP by saruSURF, with Screw, Hard Flex for US Box (Black Rev)

Please select the number of center fins, color, and tool-free fin screws. Fin: H = 8" Base = 165 mm x 8.8 mm If the size doesn't match your board, you can adjust the thickness by applying vinyl tape to the base, or by sanding it down. Compatible with most boards! Pin = 14.5 x 4.5 mm Fin Screw: Made of stainless steel, resistant to saltwater. Screw part: 3.8 mmφ x 18 mm Length Nut part: 14 mm x 14 mm x 4 mm Height Tool-free fin screw Center fin 8" (20 cm): 8.8 mm x 165 mm base. If the size doesn't match your board, you can adjust the thickness by applying vinyl tape to the base, or by sanding it down. Compatible with most boards!

Longboard, SUP, airSUP, AIR7 US box / Center fin box For stand-up paddleboards, inflatable SUPs, hard SUPs, and surfboards 8-inch fin (red or black plastic fin 8") Made of strong plastic. Choose the number of center fins, color, and fin screws (no tools required).