【Acoustic Guitar Strings and Tools】: 3 sets of acoustic guitar strings, each set includes 6 strings with different diameters. Good as a spare part for your bag [Guitar string diameter]: 1: 0.2 mm; 2: 0.3 mm; 3: 0.6 mm; 4: 0.7 mm; 5: 1 mm; 6: 1.2 mm 【High quality and good sound】: With these replacement guitar strings, you can replace your western guitar or acoustic guitar with high quality and new steel strings. 【High Quality Material】Made of high quality steel and anti-rust coating. Durable, long-lasting, and scratch-resistant. Brass metal head. It firmly fixes the strings, is durable and has a long service life. 【Easy to Use】Thanks to the normal string thickness, this guitar strings are ideal for beginners and professionals alike. Especially suitable for acoustic and western guitars. 【Diameter】: E-1st.012inch/0.3mm, B-2nd.016inch/0.4mm; G-3rd, 024inch/ 0.6mm; D-4th .032inch/0.81mm; A-5th .042inch/1.06mm; E -6th .053inch/1.34mm.