The Rigi10™ Malleable Penile Prosthesis is available in 9 – 10 – 11 – 12 – 13 mm diameters and lengths of 23 cm (9 and 10 mm) and 25 cm (11, 12 and 13 mm). There is no sure way to determine the size of the penile anatomy before the surgery. Diverse sizing options with Rigi10™ facilitates a surgeon-made fit to the patient.