A transradial prosthetic arm for the sport of rock climbing. Currently, almost all prosthetics are designed for general use, with a ‘one does all’ outlook. This product aims to turn disability into ability by designing specifically for the task. SCALO is fully mechanical and modular, aimed to be as economical as possible. The aluminium fearing is designed to dent and deform under contact while in use, developing with the user and becoming a more personal item as time progresses.