With its revolutionary, patent-pending design made possible by our in-house hot forge, the Black Diamond Grid Lock Screw gate eliminates the dangers of cross loading. Designed specifically for belaying, the intuitive, easy-to-use Grid Lock isolates the belay loop behind its uniquely shaped gate, thereby keeping the carabiner in its proper orientation. The Grid Lock&';s I-beam spine transitions into a large, rounded rope-bearing surface for maximum strength and smooth rope feeding. Simply put, you&';ll never have to deal with a shifting, cross-loaded belay carabiner again. Features: Hot-forged construction I -beam spine transitions into a rounded, large rope bearing surface Intuitive and easy-to-use design Screw gate sleeve Patented, innovative design isolates belay loop to eliminate cross-loading Isolates belay loop Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device.