Description Made of high grade zinc alloy material, this set of guitar tuning pegs is durable and practical to use, featuring lightweight and compact design, very portable to carry, which makes you more convenient. It is also a great gift for your friends. Features - Color: Black-Material:Zinc alloy - Size: 2.83X2.40X2.15cm/1.11X0.94X0.84in -Great for guitar tuning and adjusting the tone of strings. They are simple but practical. - Perfect to replace your old and dirty tuning pegs and great for guitar tuning. - Easy to install, and they are not too tight, not too loose, can hold in place perfectly. - The guitar tuning peg is easy to clean and maintain, save your time and efforts. Suitable for guitar to use. - Can be tuned tight to make your guitar sound stable, perfect for you or send it to your friends. Packing list: 6 x Guitar Machine Heads(3R+3L)6 x Ferrules6 x Threaded Bushings6 x Mount Screws