◆ These water Nipples are made of brass. widely used for water cooling system of RC boat, RC marine, RC yacht, watercraft. ◆ 2 pieces of Water Nipple Fuel Nozzle for RC Boat. ◆ Thread: M3/M4/M5 optional.
This product is ideal for those who need brass water cooling nipples that can fit various M3, M4, and M5 RC boat motor ESCs for lubrication.
