1. High-quality and durable zinc alloy shell/plastic shell (material optional), equipped with retractable steel wire rope to maintain stability in harsh conditions. 2. The wire rope is made of stainless steel, can be stretched to 60 cm, and is very strong and durable 3. Heavy-duty retractable keychain can withstand pulling force of up to 8 ounces. 4. These retractable keychains are especially useful for active work or sports environments 5. Weight: ABS model 43g; alloy model 65g
