Permatex Green Penetrating Threadlocker Permetex's green formulation of their classic threadlocker is designed to wick along the threads of pre-assembled fasteners. Ideal for fasteners ranging from #2 to 1/2 (2.2 to 12mm) in size, Green Threadlocker boosts hardware's resistance to unwanted disassembly without the need to first take hardware appart. When it comes to preventative maintenance, Green Penetrating Threadlocker is a dream come true. Features: Ultra low viscosity thread-locking liquid Wicks along threads of preassembled fasteners No need to first take hardware apart Effective even when applied after assembly Ideal for fasteners ranging from #2 to 1/2 (2.2 to 12mm) Removable with hand tools Locks carburetor adjustment screws into their set position Even remedies hairline cracks