Cuts hard-to-reach branches from aerial basket or from the ground. Super Spool selector control for use on Open and Closed-Center hydraulic systems. Available in three lengths. Insulated fiberglass extension tubes, tested to meet OSHA Regulation 1910.269. Safety features include: two-step trigger, trigger guard, and fully covered sprocket guard. Anti-kickback chain and automatic chain oiler. Rugged high torque gear motor. Unfilled and foam-filled extension tube versions offered.