Cylinders Ø 16 ÷ 63 mm with compact overall dimensions in accordance with UNITOP recommendations (RP/ RO series) and with ISO inter-axes (RM/RN series) are available also in non-rotating version and with extended piston. This product, the first one realized with adjustable pneumatic cushioning without changement of dimensions in comparison with an equivalent cylinder without cushioning, allows a considerably higher speed and reduces noise level.