Redesigned with an optimized shape and the snag free benefits of HoodWire Technology, the 1 ounce, hot forged Black Diamond Oz is still the best way to lighten your rack. A patent pending stainless steel wire hood brings keylock functionality to wiregate carabiners without losing the lightweight and anti freezing benefits. And thanks to the Oz's new geometry, it holds strong as the lightest carabiner in BD's line. Features: Hot forged construction Patent pending stainless steel wire hood design provides snag free keylock functionality New optimized shape Same size and clip ability as the Neutrino, but 8 grams lighter Does not freeze up in alpine conditions Note that this item of climbing safety equipment is non returnable. Please call us toll free at 877 236 8428 or e mail bentgatebentgate.com with any questions.