Hydraulic telescopic booms from All Metal Manufacturing, in partnership with Zennen Engineering, are available in 4-, 6- and 8-inch sizes ranging from 14 to 23 feet in the extended position. They have 8- and 10-inch gear boom swivels, hydraulic disk brakes, pneumatic or hydraulic shut-off plungers, low-speed high-torque hydraulic motors, a complete hydraulic package, a hinged front for easy retraction, Oilite bushings on all rotation points, a control pendant and optional wireless control. 403/214-3646; www.almetal.com.