WD-40 Specialistreg; Spray Grease is a long-lasting, multi-purpose grease in a convenient spray format with excellent adhesion and sealing properties. WD-40 Specialist Spray Grease is ideal for use on moving metal components and machinery to prevent friction and wear. It delivers long-term lubrication making regular reapplication unnecessary and provides a water resistant, protective barrier preventing rust or corrosion forming.