ABRO Red ThreadLok & Sealant 6ml (Permanent) This high quality product is manufacture by ABRO Industries USA - A Trusted Brand. A few drops will quickly and securely fix nuts, bolts and screws in position and prevent them from working loose. Excellent Chemical and Thermal Resistance Stops bolts, screws and nuts vibrating loose Seals threads against leaks and corrosion Will not crack or migrate High Strength - Permanent seal Chemical Resistant Cures in 20 - 30 Mins on most metals - Full Strength achieved after 24 Hours Thread Size 3/8" - 1" (3.5 - 25mm) ABRO - TOP QUALITY PRODUCT - MADE IN THE USA