Vfm orangezinc heavy duty painted shelving unit product overview vfm orangezinc heavy duty painted shelving unit 379077 designed to meet your needs whatever they are this heavy duty shelving unit can be easily adjusted to add or remove shelves and adjust heights of shelves at 40mm increments the unit itself can be used to store a multitude of items as each shelf can handle up to 400kg of weight supplied with four high density chipboard shelves there are additional shelves available to pur