Kitcheniva 3 Sets Of 6PCS Colorful Acoustic Guitar Strings3 Sets of 6 Acoustic Guitar Strings Replacement Steel Guitar Strings (Gold, Red Copper, Multicolor) with 6 Pieces Guitar Picks for Electric Acoustic Guitar Accessories Kit Material: steel, with rustproof coating for durable use; Length: each guitar string is approx. 90 cm 35. 4 inch Package includes: 3 sets of acoustic guitar strings, each set has 6 strings in 6 different diameters; Good as spares in your bag String diameters: 1: 0. 2 mm 0. 007 inch;