The Macnaught K45 levergun is designed for use in underground mines. the K45 is a lever-action grease gun designed for high pressure/high volume greasing and can easily clear blocked or damaged grease nipples. Suits 450g grease cartridges, bulk filling or Macnaught J3 transfer pump loading.The K45 LEVERGUN® features a durable die cast zinc head, a heavy gauge steel barrel and a heavy duty follower assembly to handle a wide range of grease viscosities up to NLGI No 2. Comes complete with 150mm (6") rigid high pressure extension and KY SUPERGRIP™ coupler. Suits 450g grease cartridges, bulk filling or Macnaught J3 transfer pump loading.