Model R series and RB series Glass Lifter Trolley are designed to assist glass workers to unload, rotate and transport large plates of glass. It can rotate glass up to 360°, and can be turned to the side to pass the narrow door. Model R series Glass Lifter Trolley is equipped with a manual powered vacuum pump for each cup; max. capacity reaches 200kg, suggested safe load capacity is 100kg. Model RB series Glass Lifter Trolley max. capacity reaches 400kg, suggested safe load capacity is 200kg. The RB model features the side shift function, with battery-powered suction and release, operation is very easy. The Glass Lifter Trolley makes the glazing job easier and safer. Only 1 or 2 workers are required to finish the task, while at least 4 to 6 workers were needed originally.