OJG1277 Features: * Rechargable battery operated grease gun * The most advanced grease gun ever created * Pressure relief valve identifies blocked fittings * Lightweight, ergonomic, easy ""pull the trigger"" lubrication * Two-speed design delivers outstanding flow & pressure * Stroke indicator enables user to accurately measure output * High-tech smart charger recognizes battery condition with a one-hour recharge * Worker-friendly features including a comfortable grip, balanced design, built-in coupler holder