- Safe, reliable valve tool for outdoor water sports. Enables safe inflation and deflation of kayaks, rafts, and fishing boats, helping protect valve cores from damage. - Lightweight rubber construction with 6- or 8-tooth grip. Provides a secure, precise turn on common valve stems without slipping or marring the valve. - Detachable design for easy removal and storage. Compact and comfortable to use in wet conditions and fits easily in a gear bag. - Broad compatibility and dependable performance. Works with most standard inflatable boat valves and valve cores. - Use scenarios - At the launch, quickly inflate a kayak with a pump and detach the wrench to avoid bending the valve. - On a river trip, deflate and pack a raft while keeping valves intact for reuse. - After storage, service a fishing boat valve to ensure an airtight seal for the next outing. - Key attributes at a glance. Function: valve inflating and deflating aid; Compatibility: works with common inflatable valves; Size: compact and portable; Material: rubber; Performance: precise, damage-minimizing operation.