Liquid Bearings 100%-synthetic Oil for N Scale Trains and all Model Railroads, 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. Includes both 1/2" AND 1-1/2" needles, each with tip scabbard! Plastic-safe for all plastics and painted surfaces!