WD 40 is well known as a lubricant, but it has a ton of other game changing applications around the house. WD 40 is well known as a lubricant, but it has a ton of other game changing applications around the house. WD 40 3 oz. Multi Use Product, Multi Purpose Lubricant Spray, Handy Can 3 Pack WD 40 Specialist Gel Lube Keeps Wheel Bearings Working Smoothly Spray Gel Lubricant for Tools WD 40 Spray Gel Lube WD 40 WD 40 Specialist Gel Lube Protects Metal and Stays Where You Spray