Aqua Sea Spring Coil Lanyard with Split Rings Sea Spring Coil Lanyard with Split Rings Sea Spring Coil Lanyard with Split Rings: Used as Safety Lanyard for: Dive Accessories Knives, and Cameras Lights and Slates Spear Guns etc Strong and Durable: 150 lbs. (68 kg) Test Strength Extends from 156" to 276" (396 cm to 700 cm)