This Werner Aluminum Pump Jack controls the height and position of your scaffolding stages. It received safety certifications from two leading organizations, the Occupational Safety and Health Administration (OSHA) and the American National Standards Institute (ANSI), for compliance when working on commercial work sites. With an aluminum body, this Werner pump jack provides heavy-duty performance in any environment. It handles professional projects with complete versatility and supports temporary scaffolding components from many manufacturers. The ready to assemble pump jack relies on simple pumping motions to bring your platforms into the positions you need for your jobs. A crank handle and foot lever give you complete control over the height of your platform. Use this jack to set up, tear down, and support your on-site scaffolding as efficiently as possible.