2-piece S-Tek fin has buoyancy adjustment
Scubapro’s two-piece fin concept, introduced on the Seawing Supernova a year ago, has been extended to the new S-Tek design for technical divers, which also
Seawing Supernova Sure Lock Connecting System Removable Stainless Steel Weight Plate System Clean Water Blade Vented Blade
Source: divernet.com