"Safe, portable scaffolding enables user to side and paint vertical surfaces up to 30 feet high. Pump Jack system raises workers, equipment and materials with a push of the foot and lowers by turning hand crank. Your weight does the work. It is perfect for shingling, siding, sheathing, insulating, painting, building, roofing, home repair and maintenance. Requires a minimum of two Pump Jacks to operate. Easy setup and takedown. Uses 4in. x 4in. or double 2in. x 4in. wooden posts, not included. U.S.A."
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