7500 psi maximum operating pressure. Precision-machined, all steel handle, body and guard bracket provides durability and longevity. Unique, precision control inlet check valve provides ease of handle operation even with increase in pressure. Knurled handle for positive grip. Handy trigger guard prevents pinching Reversible inlet check seat and hydraulic jaws provide double life. Balanced design reduces user fatigue. Lubricant inlet 1/4" NPT(f); outlet 1/8" (f). Easily repaired for extended life.