This is the SpearPro Glass Soft/Medium Blades For Spearfishing - PairFeatures: Blade is made from a high quality of epoxy resins mixture and fiberglass. White-clear color blade. Blades dimensions ~ 80 cm long x 20cm wide- Angle 20 degrees Rubber rails attached to the blade provide maximum efficiency in water flow redirection. Angle 20 degrees Pair of blades weight ~ 2lbs (Medium stiffness). Compatible with the SpearPro Genesis, Pathos Fireblade, and CETMA S-Wing footpockets Foot pockets and mounting kit sold separately