A) One of the interchangable interdiscs is securely positioned within the recessed box using two marine grade stainless steel panhead screws. The desired toe-in or toe-out angle is selected by rotating the interdisc prior to final tightening.
The system is designed to allow the interdisc to either fracture or snap off at the fastening points on severe side impact reducing damage to the box or board by up to 80%.
B) The desired fin is then fitted into the interdisc and firmly secured using 2 self tapping grub screws.
C) A special universal metric allan key, accompanying the fin system, allows the user to access and adjust all screws quickly and painlessly.