Magnusson extension support rod is designed to hold plasterboards, standard ceilings and inclined ceilings of up to 30 kg The extension support rod has an extensive range of 115-290 cm and operates on a pump mechanism Magnusson extension support rod makes setting door frames & drywall constructions a simple, one person job A rubber end cap of the extension support rod prevents damage to the supportive material, reduces the chance of slipping and provides greater stability Easy to pump extension rod to help maintain balance when installing at heights