Bisley Caster Base for Steel Under Desk Multidrawer Cabinet, Black (MDCAS) Save big on our wide selection of File Cabinets and other office supplies for your business. Order online today and get fast, free shipping. No order minimum. Filing cabinets – every office needs one. Ryman has an extensive range of lockable filing cabinets available. Free UK delivery available on orders over £40. FREE INSTALLATION ON ALL USED OFFICE FURNITURE, Mileage Surcharge Will Apply Outside 20 Miles of Reading, Berkshire. Second Hand 2, 3, 4 & 5 Drawer Filing Cabinets .