... , rigid fibreboard, cubicle walls. 1.mataerial:carbon steel and stainless steel.2.suitable for gypsum cardboard,plaster fibreboard,plate,fibre cement boards ... the shelves,hanging flower pots,water heater,clothes,a lighter load fixed.4.spring folding long screw connection can connect ... braces,underno circumstances can pass its spring antomatically popsopen for pole fixing.5.welcome to the custom.