Stainless steel construction High grade stainless steel for exceptional durability and corrosion resistance, built to withstand underwater conditions. Integrated measurement scale Built-in scale enables precise and easy measurements while diving, helping ensure consistent readings on every dive. Versatile application Ideal for highlighting underwater creatures or objects, making it a practical accessory for divers who want to enhance their underwater experience. User-friendly design Lightweight and ergonomic, with loops and a cord for easy attachment, enabling quick setup and reducing hassle. Use scenarios - Scientific diving and reef surveys: use the scale to measure the size of corals, fish, or other underwater objects during a dive and document results clearly. - Underwater photography and videography: use as a reference for scale in shots to provide context for viewers. - Educational dives and guided tours: demonstrate measurement concepts to students or new divers, improving learning outcomes.