This is a 100% USA made Port-A-Power hydraulic ram that is rated at 20-Ton capacity. It is part of our Port-A-Power hydraulic jack production line.
The collapsed height is 11-15/16", the extended height is 16-15/16", and the overall lift is 5".
The base outside dimensions are 3", the ram head and base pipe dimensions are 2" - 11-1/2", and the collar threads are 3-5/16" - 12.