All efficiency frames are manufactured from 1/8″ thick material.
Frame Size: Refers to approximate distance diagonally between motor centers.
Carbon fiber Birch core material frames are supplied with a gloss surface on 1 side and a textured finish on the other. Either side may be used as the top surface. Since the core of this material is birch plywood the edges of the profiles are of a wood color. This can be easily colored as desired with a permanent marker.
Polycarbonate frames are supplied clear in color with a smooth surface on each face. Although slightly heavier and less rigid than the Carbon Fiber / Birch core frames, the flexibility of Polycarbonate leads to higher durability.