Single Fin 7'4" Thunderbolt while the rear twin design

while the rear twin design features a double 50/50 foil

yet playful and loose is the name of the game here - don't miss your chance to try out these uniquely sized twins that are sure to add a bit of extra spark to your quiver

Our proprietary blend of custom grid pattern and EVA foam maintains the same grip and feel regardless of water temp

When turning it delivers a trustworthy feel with an underlying level of response that allows you to break the line and turn in a tight arc when the wave presents steeper and more critical opportunities

Single Fin 7'4" Thunderbolt while the rear twin designCondition: Great condition, a few light deck pressures. One small professional repair on the bottom. A couple of light scuffs scratches to the finish. Description: Single Fin surfboard Shaped by Jeff McCallum. Mccallum surfboards are some of the most sought after in the world.