The D'Addario Guitar Maintenance Kit gives you everything you need to keep your instrument playing and sounding its best - from the included string winder and neck cradle to the Multi-tool and maintenance products, this kit contains all the essentials for players of every skill and style. The included storage case also provides easy access to all these products for the ultimate care for your acoustic and electric guitars. 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.