Our drywall lift supports the maximum load of 150 lbs. During the operation, we should pay attention to the weight of the lifted object and remember not to exceed the maximum load to avoid accidents. Lifter is easy to assemble and disassemble. The lock device and built-in winch brake are included for increased safety and sturdiness. Telescopic arm can be adjusted from 49 ft. to 114 ft., ideal for installing 4 ft. x 16 ft. sheets.