Please note that all the pictures we attached were taken under the most natural conditions of the product. But even so, the color difference may still exist due to the different image resolutions of different computers and mobile devices. Product Feature: Smooth and Balanced Strings - Made of steel with unique rustproof coating,durable and practical.1 set is multicoloured,1 set is red, another is gold;Each set including 6 strings. Diameter:E-1st.010inch/0.25mm;B-2nd.014inch/0.36mm;G-3rd.023inch/0.58mm; D-4th .030inch/0.76mm;A-5th .039inch/0.99mm;E-6th.048inch/1.22mm. Professional Guitar Tuner: High sensitive vibration, bright large LED display, easy to read. Simplicity and accuracy, clip-on tuner for chromatic, guitar, bass, ukulele, violin;Lightweight and compact size, suitable for music teachers, professional and beginning players.(Instructions included). fits for Electric and Acoustic Guitars, Ukulele, Banjo, Folk Guitars and Mandolin, etc. Guitar string winder cutter and pin puller 3 in 1 : Put the string,cut line,pull cone,3 in 1 multifunctional guitar maintenance tool.The ergonomic design makes string changes easier than ever before with it's built-in clippers,bridge pin puller,and peg winder. NOTE:Each package come with 15pcs 0.46*5/0.71*5/0.96*5 mm thick durable guitar picks, they are random color.Guitar strings are suitable for 30, 34, 36, 38, 39, 40, 41 acoustic guitar.The strings are suitable for acoustic guitar, not suitable for electric guitar or classical guitar. Package Lists: 18 x Guitar Strings (3 sets, 6pcs/each set) 15 x Guitar Picks (random color) 12 x Guitar Pins (6 ivory , 6 black) 5 x Thumb Finger Picks (random color)4 x Guitar Silicone Finger Protector 1 x Guitar Capo 1 x Guitar Tuner (with instructions) (random style) 1 x Guitar String Cutter 1 x Guitar String Winder 1 x Guitar Pick Holder 1 x Guitar Bone Bridge Saddle 1 x Guitar Bone Bridge Nut Before you place an order, please provide me with English information to facilitate our delivery and logistics