Designed for easy quickdraw customization or to be a replacement to old and worn out dogbones, the Black Diamond 10 mm Dynex(TM) Dogbone is light, durable and easy to grab. Straitjacket insert keeps the bottom carabiner in optimal clipping position. Dynex(TM) is highly abrasion resistant, strong and lightweight Product Details Weight: 8 g (.3 oz)