I GOT THIS TO GREASE WHEEL BEARINGS ON MY 30 FT TOYHAULER. IT HAS EXTERNAL GREASE FITTING SO JACK IT UP, PUMP THE GREASE AND SPIN EACH WHEEL TO MAKE SURE BRAKES ARENT HANGING UP EVERY YEAR. IVE USED THIS ON 1 TON DUALLY TRUCKS, MOTOR HOMES, YOU NAME IT. LOVE IT