Studio Chofakian 35mm Studio 60 pumps. Available in sizes 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 33.5, 34.5, 35.5, 36.5, 37.5, 38.5, 39.5, 40.5, 41.5, 42.5, 43.5, 44.5, 45.5 years.