Light Duty Boltless Rack Systems Medium Duty Boltless Rack Systems Ideal shelving application for car parts shop, tyre storage and display, tools and small machinery storage. Heavy Duty Boltless Rack Systems Ideal shelving application for warehouse storage. Mezzanine Heavy Duty Shelving Systems Two in one solution for maximising storage spaces. Ideal for industrial and commercial loactions. Supermarket & Departmental Store Gondola Shelving