Bimba Cylinder 021.5-Q.The newly redesigned "Blue and Improved" Original Line® cylinders now feature permanent grease lubrication. This product range includes standard cylinders, three-position cylinders, MRS cylinders, non-rotating cylinders, and PC cylinders. Design improvements in this product line have more than doubled the expected service life of this industry-leading, non-repairable cylinder series. Bore sizes available: 5/16", 7/16", 9/16", 3/4", 7/8", 1-1/16", 1-1/4", 1-1/2", 1-3/4", 2", 2-1/2", 3". Multiple stroke lengths and mounting options are available. Over 150,000 Original Line® cylinders are stocked and ready for same-day shipment. Bimba can manufacture any catalog model within four days or less.