Robust and extra large, the Mammut Bionic Mythos Screw Gate provides perfect handling when paired with any belay device or knot. . Beam technology (a special high-precision hot forge method) reduces weight while maintaining high breaking load capacity. Extra large radius guarantees easy locking with all belay devices and knots. Key lock guarantees easy placement and snag-free use. Screw-lock helps prevent accidental gate opening. 7613276592013 20072300012 2210..18