We offer Express Service Trolley. Cabinet top and bottom has a 6mm durable rubber form insert mat attached. External locking system for security. 4 pieces, 4'' casters and 220 lbs loading capacity for each caster. Rubber 4'' x 1'' caster, 2-Fixed, 1-swivel and 1-swivel with total brakes. Drawer capacity 90 lbs each. Powder coating to resist scratch and solvent makings. Ball bearing drawer runners. Drawers are 100% extendable. Side mounted handle. Drawers with non slip rubber mat. Over all weight 125 lbs.