Set of 4: 10ml medium viscosity oil (yellow-green), 10ml ultra-low viscosity oil (transparent), 25g gear grease (medium hardness), and 5g drag grease. Oil labels are omitted. Will be deleted in about a week. Thank you for your understanding. ☆ Medium viscosity oil is an all-purpose oil and can be used on all parts of the reel. Ultra-low viscosity oil should be used mainly for bearings, rollers, and rotating parts. Gear grease can be widely used on main gears, cogwheels, level winders, worm gears, pinions, etc. Drag grease is primarily intended for spinning reels. Apply thinly to the drag washers. This was the most ideal in my personal tests. After that, please arrange it to your liking. It's not absolutely necessary to use these. Thank you.