TheK4 Shark II Fins (Pair)offers speed, precision, grip and drive. The new Shark II suits both quads and thrusters with its wider base and increased overall area.Flex: Super StiffSizes: 8cm – 12cmSharkII fronts. A fast and grippy fin for both quads and thrusters. Moulded using our super stiff material with a sleek profile and reduced tip area its built for speed. We slimmed it right down to give back some flex and grip, and widened the base to add hold and drive.The result is a fast and precise feeling fin with just the right balance of grip and release. Already taking Alex Mussolini to a podium finish in Tenerife.The all new SharkII fronts. Our team riders wanted a fast and grippy fin for both their quads and thrusters. So we set about designing a fin that was sleek and lower tip area using our super stiff material. We slimmed it right down to give back some flex and grip, and widened the base to add hold and drive.The result was a fast and precise feeling fin with just the right balance of grip and release. Already taking Alex Mussolini to a podium finish in Tenerife.Notice that the SB head will now suit both Slot box and the new Star box which comes with some Starboard and Severne models.Weve also added a 1 option to the SB heads. This is for those with straight boxes who wish to add a bit of toe in for a looser feel. Order two SB 1 fins and you will receive a left and right pair.Available in 8, 9, 10 and 12cm with MT, US, SB (Slotbox/Starbox) and SB 1.See our fin guide for more info:Fin Guideand full specifications here:Fin SpecsLength12, 10, 9, 8HeadUS, SB, MT, SB 1