WD-40 Specialist Penetrant is a fast-acting penetrant with capillary action to penetrate deep into crevices, threads and seams to break the rust bonds that hold stuck parts together. It is a low odor formula that works on contact to free rusted nuts, bolts, threads, locks and chains leaving behind a protective layer that prevents rust and corrosion from re-forming. Now the job is even easier with our proprietary allowing unlimited access to hard-to-reach places. Brand Name: WD-40 Sub Brand: Specialist Lube Type: General Purpose Product Type: Penetrant Container Size: 13.5 oz Flammable: Yes Applications: Nuts, Bolts, Pipe Threads, Locks, Chains, Rusted Parts and Stuck Components