The guide unit for pneumatic cylinders of the series UDG may be of two types. With form "H" (UDGH) or shape of a "U" (UDGU). They are available in two versions, with a sliding guide bearings or sliding on ball guide (with code S final). Comply with the standards ISO 6432 for bores range from 12mm and 25mm and ISO 6431 VDMA 15552 for bores ranged from 32mm and 100mm. They can be supplied in racing including 50mm and 500mm.