Scissor Lifts are available in 3 operating methods. Hydraulic Scissor Lifts use one or more hydraulic cylinders to move the platform up or down. The Pneumatic Scissor Lift operates through the use of air bags to move the platform up or down. Scissor Lifts have been in use for many years, the concept is simple, reliable and used in literally thousands of applications worldwide. Please contact us a lift@pentalift.com to discuss a Scissor Lift best suited to your requirements.