We bring you the highest quality Jacks and Accessories to make your job easier. Choose from our 9" or 17" Single Acting Crib Jack, or go with our 17" Double Acting Crib Jack. With Double Acting Jacks, you can speed up your projects and save your back by retracting the cylinders with hydraulic pressure. The 17" Single Acting Crib Jack can be used as an insert in the Toe Jack Adaptor for additional lifting capabilities. These Crib Jacks are rated at 15 tons, made in the USA, feature adjustable screw top, drop stops, and your choice of Aeroquip couplers or screw-on couplers to match what you are already using. They fit standard Jack Bases and Jack Plates.