The Telescopic Cylinders are single acting [push]. Double acting telescopic cylinders must be specially designed and manufactured as per customer specifications. G.P.M. Hydraulics manufactures Telescopic Cylinders.
G.P.M. Hydraulics offers Vertical Honing Machine, Horizontal Honing Machine, Lathe Machine, Boring Machine, etc. The length of a hydraulic cylinder is the total of the stroke, the thickness of the piston, the thickness of bottom and head and the length of the connections. Often this length does not fit in the machine. In that case the piston rod is also used as a piston barrel and a second piston rod is used. These kinds of cylinders are called "telescopic cylinders".