Twin 5'11" Thunderbolt Single concave runs nose to

Single concave runs nose to tail with a double concave through your feet

The lesson he has learned over the past year of developing these fins is that there are more uses for twin fin keels than we think - so get creative

Excellent condition with just a few light deck pressures

and control

FIN SETUP SINGLE / 2+1

Twin 5'11" Thunderbolt Single concave runs nose toCondition: Great condition, moderate deck pressures from normal use. A few small, light cosmetic scuffs and scratches on the bottom. Some dark marks on the bottom looks like some custom art has been removed. Description: Bob Leonelli makes surfboards with a retro feel using modern technology, under the Mystic Hulls label. Bob has been surfing and shaping almost his entire life. Like most surfers who have been surfing since the mid sixties, he has seen