Keep fasteners secure with this J-B Weld Perma-Lock medium strength threadlocker. The blue formula prevents vibration loosening on 1/4" to 1" fasteners while allowing easy disassembly with standard hand tools when needed.

• Medium strength formula for removable fasteners
• Ideal for 1/4" to 1" fasteners
• Temperature resistant up to 300 degrees F
• Prevents rust and corrosion on threads
• No spill, no drip or clog cap
• OEM approved formula
• 13 mL (0.44 oz)

Best For: Stud bolts, rocker arms, frame bolts, fasteners, bushings, and vibration-sensitive assemblies.