This is a 10-ton hydraulic body frame repair kit, often referred to as a "porta power" kit, designed for automotive repair tasks.
The set includes a hydraulic hand pump, various extension tubes, and specialized attachments for pushing, pulling, bending, and straightening metal frames.
It is typically packaged in a blow-molded carrying case for portability and organization.
These kits are versatile tools commonly used in collision centers for aligning body panels and intricate bodywork.