Magnusson Extension support rod. This Magnusson extension support rod is designed to hold plasterboards standard ceilings & inclined ceilings of up to 30 kg. It has an extension range of 115-290 cm & operates on a pump mechanism. Makes setting door frames & drywall constructions a simple one person job. A rubber end cap prevents damage to the supported material reduces the chance of slipping & provides greater stability. Quality assured with a 5-year guarantee