Features: Engineered with aerospace anodized aluminum, this 500g freediving bottom plate combines strength with corrosion resistance, securely anchoring rope up to 12mm for competitive underwater performances. Features 30 precisions hole and a patented screw mechanism enabling 5 second secure installations, for buoyancys vests and hydrodynamic efficiency in water current. Professional competitive freedivers and training team benefits from its tournament ready stability during depth challenge and rapid equipment transitionings. Performs reliably in saltwater competitions, pool training, and diving where quick equipment swaps and minimal drag is critical. The anodized surfaces withstands prolonged marine exposure while the edges design reduces turbulences, enhancing speed during vertical ascents and precisions maneuvers. Specifications: Component: Aluminum Alloy Size: Approx. 9.84x9.84x0.12inch(25x25x0.3cm) Color: Gold Package Includes: 1PC Aluminum Freediving Bottom Plate note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.