The Fusion Supreme is a great multi-use carabiner for mountaineering, climbing and gear attachment. The Fusion Supreme has a cold forged aluminum body, straight non-locking gate. Oval shape spreads the weight throughout the whole carabiner. Snag free key lock for faster and smoother clipping and un-clipping. These are our most popular and economically priced carabiners. An excellent choice for industrial, sports, tactical and military applications. Strength tested to 23kN.