... a reusable aluminum alloy "hook" featuring a spring-loaded gate that opens inward and automatically snaps closed when ... strength-to-weight ratio .Main Products: climbing hardware, safety equipment, climbing gear, climbing mountaineering, Carabiners, Climbing Carabiner ... , Marine Hardware, Rigging Hardware, Saddle Hardware, Safety Hook, Snap Hook, Shackle, Turnbuckle,Quick Link, Bolt, ...