Recent 15++ 41Inch Acoustic Guitar. A wide variety of acoustic guitar 41 inch options are available to you Our guitars help students develop proper technique, learn good technical playing habits and reduce the possibility of painful repetitive stress injuries. A typical 1/4 scale guitar has a scale length of 19 inches. Cahaya 41 inch acoustic guitar bag 0.35 inch thick padding waterproof dual adjustable shoulder strap guitar case gig bag with back hanger loop, black.