Firewire Taylor Jensen Twinzer Helium 7'0 x 21 x 2 Surfboard Firewire TJ Twinzer Surfboard 7'0 FireWire Tj Twinzer Surfboard for Sale in San Diego, CA OfferUp NOW AVAILABLE Firewire TJ Pro 9ft Longboard The Board Source. Dimensions: 7'0 X 21 5 8 X 2 7 8 X 48. 4 Firewire Twinzer Surfboard Experience the innovative TJ Twinzer by Stu Kenson and Firewire a masterful blend of speed and control. Built upon decades of refinement and expertise, this board represents the evolution of twinzer design excellence. Crafted for surfers who demand both speed and precision, the TJ Twinzer delivers exceptional performance across various wave conditions. Full outline design with round pin tail Unique quad fin "Twinzer" setup Twin fin speed with enhanced stability Available in sizes 6'8" to 7'2" Built with premium Helium technology