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The field proven PV211 is a lightweight yet high quality combined pressure and vacuum hand pump. The PV211 has been designed to provide maximum pneumatic pressures efficiently and effortlessly. * Dual source of pneumatic pressure and vacuum * Built-in fine adjust vernier * Needle valve provides controlled pressure release * Selector valve for vacuum or pressure generation * Comfortable, ergonomically designed molded handles * Adjustable stroke * Extremely efficient-only four strokes to 100 psi |