Check the listing for details. Up to 90 New Bimba 2 1/2" Stroke 2" Bore Spring Return Air Cylinders 312.5. Condition: New. Listed at 29.90 USD. This is a New Stainless Pneumatic Bimba Front Nose Mounting Spring return Single Acting Air Cylinder, Model # SR-311-R with 2 1/2 inches of stroke with a 5/8"(.625") piston threaded on the end - 17 available.Each bid is for ONE Cylinder. Cylinder measures 2.09" Diameter and has 2" Bore. Features Ground and Polished Steel Piston Rod Force Exerted Approximately 3.1 Times the Air Line Pressure Single-Acting Rod threads roll formed for high strength 304 stainless steel body with mirror finish ID for long, reliable life. Piston-to-rod connection is threaded, sealed and riveted securely in place. 250 psi rating. Blow-by flats on double acting model pistons ensures proper seal inflation. I will fully guarantee this great cylinder. Many more sizes available - see my other auctions. Shipping in the Continental US is $7.90 -- I have very competitive rates for International bidders that are always welcome. Powered by SixBit's eCommerce Solution