Fin box adapters with removable push-and-lock splitter converter — easy-to-install components that improve paddling efficiency, durability, and secure fin mounting. Key benefits Simple installation: installs quickly with minimal tools and effort. Easier paddling and transport: improves paddling efficiency so you expend less energy; lightweight and shock-tolerant for easier carrying and handling. Long-lasting adapters: fin box adapters are strong, abrasion-resistant, resistant to deformation, and built for durability. Secure, removable converter: the push-and-lock splitter converter mounts to the water separator plate for a firm connection and can be removed when needed. Features and function Function: adapts and secures fins via the fin box; the removable splitter converter engages with the water separator plate to provide a locked, stable setup. Compatibility: designed to fit into fin boxes and to apply directly to water separator plates. Construction and performance: durable, abrasion-resistant components that retain shape under regular use and resist impact, delivering reliable performance in typical surf and paddle conditions. Portability: compact, lightweight components that make board transport and setup easier. Typical use scenarios Recreational surfers replacing or upgrading fin mountings to improve board responsiveness and reliability. Stand-up paddleboarding tours where reduced paddling effort and lightweight components make longer trips more comfortable. Rental fleets, lessons, or shared boards where durable, easy-to-service fin adapters and converters reduce maintenance time and downtime. Quick installation overview Insert the fin box adapter into the fin box. Position the splitter converter onto the water separator plate. Engage the push-and-lock mechanism until secure. This product provides a straightforward, durable solution for securing fins and configuring boards with a removable splitter converter, helping you save effort on the water and reduce maintenance time on land.