Product Name: Bolt Free Z Beam Rivets metal Boltless Rivet Shelving Rack Serviceability: Common Use Development: Conventional Closed: Open Weight: 150-500kg Height: 0-5m Mobility: Adjustable Type: Boltless/Rivet Racking Structure: Rack Material: Steel Usage: Supermarket Origin: China Product Description Rivet Shelving offers a versatility that many similiar products cannot match. You choose the frame height, then the length and depth of the shelving unit and finally how many shelves you need. Extra shelves can be purchased seperately and fitted when required. And they are all fully height adjustable.