Features of the Cassin Rocket Plus Ice Screws Rocket ice screws with integrated Dyneema slings eliminate the need for a quickdraw Lightweight, strong and durable chromoly steel construction Reverse angle threads for smooth driving and maximum holding power Front teeth Are engineered for the fastest and easiest placements even in the coldest, most compact ice Chromoly steel hanger spins freely on the screw which allows the screw to be placed and removed while clipped to the rope Fixed Dyneema sling has two loops ? the top loop is for racking and short fixing at anchors, the bottom loop is designed to be pre-equipped with a carabiner Fixed aluminum alloy levers for the fastest possible placements and differentiated color knobs for easy identification EN 568 certified