Liquid Bearings, 100%-synthetic oil for any tactical folding knife, SUPERIOR lubrication AND corrosion prevention!! 100%-synthetic lubricant, perfect for all knife uses! Immediately begins to displace old petro-oils or sprays. Superior 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!