Features: The glow in the night quick adjust D buckle ensures effortless gear adjustment in low light conditions, perfect for night divers and most diving backplate accessories. Resistant plastic, this buckle combines durability with portability, ideal for frequent use in diving gear and water sports equipment. Designed for night divers, professional instructors, and travel enthusiasts seeking, space saving for underwater adventures. Optimized for sea exploration, pool training, and trips where secure equipment fastening and rapid adjustments are critical. Engineered with a streamlined D mechanism, it maintains secure attachment during dynamic water activities while resisting saltwater. Specifications: Made: Plastic, high-strength plastic process to make sure the durability and resistance of the product. Size: 62x44x11mm, suitable for webbing with a width of about 5CM, suitable for most backfly back panels, and smoother adjustment. Practicality: Equipped is convenient for quick adjustment in night or low-light environments; the fast-adjust sun buckle design is convenient for quick wear and adjustment, and improve diving efficiency. Package Includes: Quick adjustment of the Japanese character × 2 note: 1.Please allow 1-2cm errors due to manual measurement. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.