2 Industrial Strength Lubricants, 20 oz, Trigger Spray Bottle ORS NASCO Heavy duty cast aluminum housing is Heavy duty cast aluminum housing is 40% lighter than cast iron and easier to maneuver I Beam handle and wide design provides better weight distribution Drop forged jaw is heat treated to resist distortion or breakage Easy spin adjusting nut is heat treated for durability Hammer head design provides a flat surface for hammering Color coded cotton hem for easy size identification Double palm covers entire palm oily film for use on indoor equipment Reduces wear caused by friction and corrosion Loosens rusted or frozen parts Strong multi purpose lubricant