WD-40 Specialist is an exciting range of products wearing the WD-40 shield you’ve come to rely on. These products have been specially designed for those more demanding jobs that just need to be done right. WD-40 Specialist Fast Release Penetrant is a highly water repellent and quickly penetrates into seized mechanisms and fixings to loosen and free parts. It penetrates into tight crevices, threads and seams to break bonds that hold stuck parts together. Directions: 1. Shake can well. 2. Flip straw up for narrow spray or down for wide spray. 3. Saturate the surface to be loosened, allow to soak for a few minutes. For highly seized fixings, repeat as necessary.