I got this at harbor freight, used it once to replace my water pump in my Ram. Has all parts only use one of the sixes and only one time. The Maddox Mt8-1 Pneumatic Fan Clutch Wrench Set is a high-quality hand tool designed specifically for automotive use. This set includes a wrench with the manufacturer part number Mt8-1, known for its reliability and durability. The Maddox brand is known for producing top-notch automotive tools, making this set a valuable addition to any mechanic’s collection. Perfect for efficiently and safely removing and installing fan clutches, this pneumatic fan clutch wrench set is a must-have for any automotive enthusiast or professional mechanic.