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The RK3 HD fin is the latest in the RK3 range. It is made from a higher density material than the standard RK3 which makes the fin stiffer and heavier and is therefore the ideal fin for dry suit diving. The new heavier compound makes it negatively buoyant and produces a stiffer blade providing additional power in heavy currents or surf.
- Based on one of the first vented rubber fins sold in North America and popular among military and professional divers.
- Compact and ultra-rugged for use in harsh environments.
- Improved foot pocket with spring straps for ease of use with cold hands or thick gloves.
- Short wide blade provides maximum forward thrust while maintaining great manoeuvrability.
- Vented blade design reduces resistance on the upstroke and enhances thrust on the downstroke.