Material: 304 Stainless SteelStandard: GBSizes: Wire Diameter * Outer Diameter, equivalent to M4*35, wire diameter = 4mm, outer diameter = 35mm.Features: The product is product of 304 stainless steel, with nice corrosion resistance, oxidation resistance and warmth resistance, high strength, high toughness characteristics.Application: Can be used with metallic cord rope and metal chainYou can find extra merchandise in different material, type, shade , sizes and shapes in our shop! If you've got particular needs, please touch us, we can customise per your needs!Package includes: 1 piece * According for your choiceNotes:1.The coloration of the picture is slightly diversified from the genuine object due to digital camera and light effect, please take the particular object as the standard.2.There might be 0-0.3mm error for its thickness, 0-3mm error for its diameter / width / length within the manual measurement, please take it into consideration, thank you!