The Fast Track makes the headache of adjusting a leather strap a thing of the past. With the patented ratchet buckle, the strap can be adjusted from 47 to 54 in seconds without any tools or taking the strap apart. Fast Track is available in black and brown. D'Addario is known for innovative, problem-solving, quality musical accessories, offering a complete line of award-winning accessories including cables, picks, tuners, capos, straps, humidifiers, maintenance tools and more.