Brand new and high qualityName: Round ringMaterial: 7075 aircraft grade aluminumColor: Yellow Brown Black Blue Red SilverSize:28mm 45mm(Inner Diameter)51mm 68mm(Outer Diameter)Pull: 22KN(2200KG)Multi-functional:Tree climbing, rock climbing, adventure and other sports can also be used as seat belt accessories.Quantity:1pc Package Include:1pc Aluminum alloy Mountaineering Climbing RingNotice:1.1cm=10mm=0.39inch.2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering.3.Please understand that colors may exist chromatic aberration as the different placement of pictures.