Feature:The 304 material is more rustproof and durableWaterproof, rustproof and corrosion resistantThe surface is smooth without burrCan be used for fitness rings, yoga rings, dog ringsAlso for diving, rock climbing, mountaineering ...Specification:Options: 10040,10050,10060,10070,10080,70090,10100,10065Color: silverMaterial: 304 stainless steelDimensions: Approx. 10040: wire diameter 10mm, inner diameter 40mm10050: wire diameter 10mm, inner diameter 50mm10060: wire diameter 10mm, inner diameter 60mm10070: wire diameter 10mm, inner diameter 70mm10080: wire diameter 10mm, inner diameter 80mm10090: wire diameter 10mm, inner diameter 90mm10100: wire diameter 10mm, inner diameter 100mm10065: wire diameter 10mm, inner diameter 65mmWeight: Approx. 92-144gPackage List:1 x Ring