Quality made in USA Speedmaster large catamaran skeg strut blade only.  Small skeg on bottom of these struts help the cornering stability of your oval racing catamaran boats!.  For 1/4" shaft diameter drive lines in larger Q, S and T size boats.  Requires strut bushing SPDS-015-BSF sold separately.

When item is drop shipped from the manufacturer.  Choose Priority small package shipping on all Speedmaster special order items!