Both residential and commercial garage door systems require regular maintenance to keep running smoothly and quietly. And, with a lot of moving parts like hinges, tracks, chains, pulleys, and sliding gate rollers, you need a garage door lubricant that gets the job done right. 3-IN-ONE® Garage Door Lube not only provides quick-drying, high-performance lubrication, but it comes with a permanently attached straw that lets you spray wide for more coverage or narrow for those small cracks and crevices. No mess, and no more sticking and squeaking.