These towers are significantly different from the standard steel towers VSP and PSRV. The similarity lies only in the metal base, which serves as the main supporting element and provides stability. This base is also equipped with wheels for moving the tower and screw supports for setting the tower in working condition. & Nbsp; Unlike other fiberglass ladders, it has a very large platform 1.2x0.65 meters, which can withstand 2 people. For safety, fences 1.1 meters high are provided. Total tower heights range from 2.72 to 5.62 meters.