Penrite Hydraulic Jack Oil is a low zinc, premium quality ISO 46 hydraulic oil made from selected base stocks and an advanced anti-wear additive. Suitable for use in systems that use vane, piston or gear pumps, airline lubricators, vacuum pumps, lightly loaded gear sets and bearings (such as headstocks, windmill gears) and hydraulic hoists, trolley and bottle jacks. It may also be used in some types of reciprocating and piston compressors where this type of oil is called for. Recommended for use in all types of hydraulic jacks and hoists.