Our DIY music box supplies include these great winding keys, great for both hobbyists and professionals. The musical mechanism keys are designed to fit a variety of music box parts, making them versatile and convenient. To replace a key, simply remove the old one and insert the into the winding mechanism, ensuring a secure fit for optimal performance. Features -Color:Golden -Material:Iron -Size:1.20X1.20X0.50cm/0.47X0.47X0.20in -Note: M2.6 - material: Adopting from iron material, which is lightweight, with and fine workmanship -Userfriendly: the mini winding mechanism is userfriendly, making it accessible for all skill levels, from beginners to experts -Precision control: the micro key knob handle offers precision control over the music pitch, allowing for a adjust sound -Innovative design: the creative design of the music box knob makes it a standout choice for both repairs and new diy projects -Assembly kit: these diy music box knobs are great for assembling your own music box, offering a hands on and enjoyable experience Package list: 3 x music box knob