Black Diamond Camalot C4 – the third generation of this superb twin axle (gives greater range of adjustment & acts as full strength cam stop) camming device with 30% less weight than the originals. The unit has new ergonomically designed trigger and retains its nylon tape (more durable than dyneema) providing potentially years of reliable service without replacement. The unit is subject to rigorous testing and is 3 Sigma rated. One of the best camming devices on the market today. Size range 15.5mm - 26.7mm Weight 83g 10kN