{HEAD ~ The insert} provides the means for numerous adjustments: forward and backward in the slot, {TAIL ~ cant or fin tilt angle} by changing the insert, and different fin types 
{ HEAD ~ The insert } provides the means for numerous adjustments : forward and backward in the slot , { TAIL ~ ca nt or fin tilt angle } by changing the insert , and different fin types
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH