Metal Snap Hook:1.All of our products are made by 100% eco-friendly material and SGS certificated.2.Competitive Advantages: Quality first, credit upmost and excellent after-sales srevice.3.Fast delivery.4.Small order is also welcomed.5.From material to function can withstand any test.6.various designs and sizes for your choice.7.Any color can be made as per your request.8.Factory direct selling, we can provid competitive price to you.For more details, please feel free to comtact me. Zinc alloy: