Liquid Bearings, SUPERIOR 100%-synthetic oil for drones, R/C cars and all radio-control hobby equipment; never gums up, frees rusty and sticky mechanisms!! Great GIFT IDEA for collectors, hobbyists, mechanics, sportsmen!! 100%-synthetic lubricant, perfect for all uses! No petroleum-based odor, a pleasure to use Safe for all plastics and paint finishes Includes both 1/2" AND 1-1/2" needles, each with tip scabbard!