The Impulse cordless nailer has been on the market for a few years. Early models had some problems with dirt entry. It was not uncommon for firstgeneration Impulse guns to jam, misfire, or stop working altogether. Paslode (Illinois Tool Works, 1 Marriott Drive, Lincolnshire, IL 60015; 800/323-1303) has improved this nailer with new seals, a better filter, and a redesigned cap assembly to make cleaning the filter easier. According to distributors, Paslode has also taken the responsibility to upgrade the early models with a conversion kit. This on-the-job development effort seems to have produced a very competent and convenient nailer that can compete with any pneumatic nailer, including Paslode's own. The Impulse 300 is a self-contained nailer that will drive common