Ergonomic molded handle allows a comfortable yet powerful grip with wide opening allows the handle to be easily grasped, even with thick gloves. Ergonomic upper part to maximize power when pulling with two hands and safety catch is totally integrated into the body of the ascender to help prevent snagging .It has toothed cam with self-cleaning slot optimizes performance under any conditions (frozen or dirty ropes...) . It can be use to wide lower hole allows the carabiners of the CONNECT ADJUST lanyard and FOOTAPE or FOOTCORD footrope to be easily attached. upper hole for clipping a carabiner around the rope . Available in left-handed and right-handed versions . Hot forging aluminum magnesium alloy is characterized by high strength, light weight and easy to carry. Great grip, Comfortable rubber handle adds the friction and protects climber's hand. Solid stainless steel cam: Made of stainless steel, rustproof and anti-corrosion, can handle most situation and long service time. It is equipped with a high elastic spring, which is convenient for one-handed installation .Suitable for rock climbing, mountaineering, etc.