STEP 1
Align and enter the metal stick of the fin with the opening in the fin box rail.
STEP 2
Slide your fin forward in the rail to reach the end with the front of the fin.
STEP 3
Insert the back of the fin in the rail. Your screw will align with the threads located inside the fin box rail.
STEP 4
Apply downward pressure on the screw while screwing the fin.
STEP 5
Repeat the process with your other fins.