FCSII AMT Twin Finner Yellow 5'8 x 19 3/8 x

5'8 x 19 3/8 x 2 7/16

The signature CI smaller center fin has less stiffness to allow tighter turns

FinsColor: Black

You get the speed of a twin-fin with the positive drive of a tri-fin

designed with riders 165lbs and over in mind

FCSII AMT Twin Finner Yellow 5'8 x 19 3/8 xThis is the original template for the Merrick Twin Fin "MTF", made by FCS to use with the FCSII fin system. The design, when hooked up with a small trailing center fin, makes a great loose feeling thruster. You get the speed of a twin fin with the positive drive of a tri fin. (Side fins are the same template as used on the new CI Twin Fin) Side fins: Height: 5. 63" Base: 5. 04" Area: 20. 43" Foil: Flat Center fin: Height: 3. 74" Base: 3. 25" Areas: 9.