Simplex Home › Simplex Simplex Hydraulic Tools Simplex Steel Double Acting Center Hole RCD Series Simplex Steel Double Acting RDA Series Simplex Steel Flat Jack Spring Return RFS Series Simplex Steel Load Return RLR Series Simplex Steel Locknut Load Return RLN Series Simplex Steel Low Profile Spring Return RLS Series Simplex Steel Single Acting Center Hole RC Series Simplex Steel Single Acting Pull Cylinder RP Series Simplex Steel Spring Return R Series Simplex CR Reel Jacks Simplex JJ Super Jacks Simplex RJ Ratchet Jacks Simplex SJ Screw Jacks Simplex Aluminum Single Acting Cylinders Locknut Spring Return Simplex Aluminum Single Acting Cylinders RAC Center Hole Simplex Aluminum Single Acting Cylinders Spring Return Simplex Aluminum Double Acting Cylinders RACD Center Hole Simplex Air Hydraulic Pumps Simplex Electric Hydraulic Pumps Simplex Hand Hydraulic Pumps Simplex Aluminum Pump & Cylinder Sets Simplex SER Steamboat Jacks Simplex Steel RDP Pull Cylinders Double Acting At Ohio Power Tool we carry mechanical and hydraulic jacks made by Simplex. We offer a wide selection like screw jacks, ratchet jacks, and reel jacks to fit any industrial applications. These products provide safety, reliability, performance, and minimal handle effort. We also have Simplex Pow'r Riser equipment jacks which are ideal for rail road and heavy equipment, available in 60, 100, 150, and 200 ton capacities. Optional extensions are also available to eliminate the necessity of blocking and U-rings.