Contour Gauge 6'' POLY Change from a traditional longboard

Change from a traditional longboard fin to a FCS thruster set up in seconds

Recommended for boards with deep concaves and moderate-to-extreme rocker

75" Tall x 4

Allows your longboard to take a smaller FCS 1 centre fin

Medium - Black - 4 3/4"

Contour Gauge 6'' POLY Change from a traditional longboardReproducing complicated patterns is a breeze with Surf Sources 6 Contour Gage. The 2 deep fingers mold into the shape of any surface, creating a template which can then be used for reproducing that perfect rail. The Contour Gage is equipped with a ruler on the body with both inch and millimeter graduations. Just press Contour Gauge against surface to be copied, trace the formed contour gauge onto your cutting material, cut the material and fit into