The Classic HMS Twistlock Plus is a medium-size versatile pear-shaped carabiner. It is suitable for constructing belay stations and for belaying using an HMS knot or belay device; it allows the rope to run smoothly and reduces wear. The twist lock closure allows quick automatic locking. The optimized key lock nose ensures easy clipping and unclipping without snagging. Orange marking provides a warning if the carabiner is not screwed closed Key lock nose for easy clipping and unclipping without snagging Twist-lock closure for quick automatic locking All-around medium-size carabiner Optimum shape for belaying with HMS knots Developed to allow improved rope passage and reduced wear