Coopers Comfy Crutches are the result of two years of development with the Bath Institute of Mechanical Engineering. The crutch was developed using Computer Aided Design and Thermogram technology to offer a unique patented handle which offers pressure distribution characteristics greatly superior to any traditional crutch. Height adjustable Cuff height adjustable Latex free (including ferrules) Technical Specification Cuff diameter: 95mm (3 ¾”) Product weight: 715g each Ferrule: Z22 Maximum user weight: 160kg (25 stone)