Reel butter "Grease for reels" is a high performance grease for reels developed exclusively for fishing reels.By using it for the internal moving parts of any reel, it improves the performance of the reel and at the same time protects the parts and prevents rust.Synthetic grease that can be used for brass, steel, plastic, etc. and has excellent rust prevention.With the UV tracer, it is possible to confirm the adhesion of grease by irradiating with black light.It is a patented super smooth additive. How to use : By attaching it to the gear, level wind, and rotating part of the reel, the rotation function becomes smooth.