Rocket TT Multi Use Super Lubricant Water Displacement WD Spray 2x 100ml + Straw Did you know WD 40 isn't actually a lubricant? It's a water dispersant (hence the name: Water Displacement, 40th formula). For long term lubrication, especially on moving parts like hinges or bearings, always follow JL 1 Lubricant Positive Displacement Grease Dispensing Valve JINPINLUB WD 40 Specialist Long Lasting Spray Grease Water Displacement Devices