Features: Engineered for accuracy and durability, Slings Swivels feature hardened steel construction with phosphate coating, rigorously tested to withstands of pull forces for heavy type firearm applications. These quickly detaches slings mounts integrate a secure ball lock mechanism and universal, enabling quiet operations and instants slings swaps without compromising stability during tactically maneuvers. For marksman, hunters, and defense professional accessories for platform rifles, shotguns, and tactically gears setups in demanding outdoor environment. During field operations, ranges training, or wilderness hunts – corrosions resistant component endure moisture, abrasion, and extreme temperature fluctuations. The steel swivels pair seamlessly, offering tool without installation via push button retention for instants attachments to slings, bipods, or shootings stabilizers. Specifications: Dimension:20mm/0.78in Component:Aluminum alloys+iron Package Includes: 1Set Durability Slings Swivels 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.