ZSPE-554 Hydraulic Electric Pump for Torque Wrench Hydraulic Electric/Torque Wrench Pump External adjustable pressure regulator. Retract side internal relief valve protects tool. ZSPE-554TQ series: just use with Hydraulic Torque Wrench. ZSPE-554TQJ series: just use with Hydraulic lift applications. Opt eight 1/4″ ports (include female and male couplers with dust cap), that can synchronize work for [...]