TheK4 Scorcher Rear Fin (Single)is the choice for 3 of the top 6 PWA finishers! Developed largely with the help of PWA wave sailor Adam Lewis, who was looking for a fast finthat still gave him heaps of grip for powerful turns. The Scorcher is your go to fin for most conditions and boards -instant drive, excellent top speed and the grip to smash a powerful hook.Flex: Super StiffSizes: 14cm – 22cmUS and Slot Box Heads (with select sizes in Power Box)Slot Box Head will also fit the new Star BoxThe choice for 3 of the top 6 PWA finishers! Developed largely with the help of Adam Lewis who was looking for a fast fin but which still gave him heaps of grip for powerful turns. The Scorcher is your go to fin for most conditions and boards -instant drive, excellent top speed and the grip to smash a powerful hook.US and SB head.(SB Slot box head will also fit the new Starbox).14-22cm.