8" Center Fin for Longboards, SUPs, and AirSUPs by saruSURF, Screw-in, Hard Flex, for US Box (Black Rev)

Choose the number of center fins, color, and tool-free fin screws. Fin: H = 8" Base = 165 mm x 8.8 mm If the size does not fit 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 saltwater-resistant stainless steel. Thread: 3.8 mm diameter x 18 mm Length Nut: 14 mm x 14 mm x 4 mm Height Tool-free fin screws Center fin 8" (20cm): 8.8 mm x 165 mm base. If the size does not fit 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 fins (red or black plastic fin 8") Made of strong plastic. Choose the number of center fins, color, and fin screws (no tools required).