Guide line spool for diving A reliable rope reel designed for guiding lines during dives, enabling smooth deployment and retrieval of the guideline for safer navigation. Cave diving finger spool Compact and easy to handle, this finger spool provides precise guideline control in tight and overhead environments, helping you maintain orientation and safety. Diving tool With a smooth surface and rounded edges, it is comfortable to grip and use underwater, reducing hand fatigue and the risk of abrasions while reeling in or paying out line. Underwater accessory Designed for underwater use with a smooth profile that resists snagging and protects hands during line work, improving overall efficiency and safety. Use scenarios Laying a guideline in cave or wreck exploration to map passages and establish safe routes. Paying out or retrieving line during ascent, safety stops, or deep dives where steady line control is essential. Supporting underwater searches, inspections, or surveying tasks that require tidy, reliable line management.