Silver cock ring made of 8 mm thick stainless steel. Increases men's stamina and prolongues male erection.Measurements: Inside-Ų 45 mm, outer-Ų 61 mm, material thickness 8 mm, height 14 mm. Weight 38 g.More InformationMore InformationWeight (gram)38 gDiameterŲ 45 mmMaterialAluminium