Liquid Bearings Oil for O Scale Trains and Model Railroads, 100%-synthetic, Provides Superior Lubrication, Also Prevents Rust 100%-synthetic lubricant, perfect for all model railroad uses! Immediately begins to displace old petro-oils or sprays. Excellent corrosion prevention for any metal surfaces. Essentially odor-free, a pleasure to use! Includes both 1/2" AND 1-1/2" needles, each with tip scabbard!