3 Sets of Guitar Strings - 1 Set in brass,1 set in copper,1 set in multicolor. Each set has 6 strings in 6 different diametersE-1st .012in / 0.3mm; B-2nd .016in / 0.4mm; G-3rd. 024inch / 0.6mm; D-4th.032inch / 0.81mm; A-5th .042inch / 1.06mm; E-6th .053in / 1.34mm.Great for guitar beginners to remember and practice; Also fits for guitarist DIY. | Professional Guitar Picks- Simplicity and accuracy, clip-on tuner for chromatic, guitar, bass, ukulele, violin; Lightweight and compact size, suitable for music teachers, professional and beginning players.(Without battery) | Ultimate Guitar Tool Kit - Unique design makes string changes quicker and easier than ever before with its string winder cutter and pin puller all rolled into one tool,high quality guitar repair tool for comfortable use. | Guitar Capo - Easily re-position with one hand to change between frets; Silicone pad will protect instrument against any scratches or damage, fits for Electric and Acoustic Guitars, Ukulele, Banjo, Folk Guitars and Mandolin, etc. | More Useful Gadget - Guitar picks and thumb picks,the smooth surface makes you comfortable for playing. Also come with 1pcs pick holder, you can stick it to your guitar and keeps picks close at hand. 12pcs guitar pins (6 ivory and 6 black, made of ABS) and 2pcs guitar bones (1 bone nut and 1 bone saddle).