Features: Consist of premium aluminum alloys for precise alignment and long terms durability in demanding shootings conditions. Features spring tension retraction and tool without installation using the included wrenches, or other accessories to .22/airgun rail within second. Ideal for competitive shooters, airgun enthusiasts, and outdoor adventurers requiring reliability equipment between hunting scenario. Perfect for dynamic shootings, field adjustments during hunts, or rapid ocular exchange in competitive competitions where stable mounting and quick reconfiguration is critical. Engineered with a reinforced 25mm low profiles platform, this rail adapters support up to 5kg of ocular gear while resisting corrosions and vibration for consistent performances in extreme weather conditions. Specifications: Dimension:25×20mm/0.98×0.79in Component:Aluminum alloys Package Includes: 1pc Airgun Rail Adapters note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.