Key Features : Hand operated mechanical ascender device. Moulded grip provides greater comfort. Chrome-plated steel with angled teeth provide excellent grips on the rope. Ergonomic button allows one-handed installation and removal 2 attachment points for connection to karabiner for self-belaying & hauling. Rust resistant anodized frames. Works on 10.5 to 11 mm braided rope. Standard : Conforms to EN 567