Features a heavy-duty, one-piece aluminum body for durablity and light weight. A perfect replacement pump for body and frame straightening equipment. Performs in either vertical or horizontal positions. Has a time tested motor design. All internal moving parts are constructed of metal, not plastic! Unique external relief valve ensures damage-free operaton should oil reservoir be overfilled. Internal vent eliminates external oil leakage. Rotary-style pressure release provides superior operator control. American made, carries OTC�s unsurpassed Lifetime Marathon Warranty. Specifications: