Product overview This tuner washer and spacer is designed to fit most electric and acoustic guitars. It serves as a durable gasket between the tuning machine and the headstock, helping maintain stable tuning and protecting the instrument finish during installation and use. Key benefits Compatibility: Fits most electric and acoustic guitar tuners and can also be used in truss rod related adjustments. Works as a direct replacement for worn or broken tuner washers. Durable construction: Made from grade metal and plastic for strength and hardness. The combined materials resist cracking and breakage under normal use. Stable performance: Scientific design ensures a snug fit, consistent contact, and long service life. Helps reduce tuner wobble and protects the headstock hole from wear. Easy maintenance: Simple to install when replacing old washers or upgrading tuners; a small part that prevents larger problems over time. Features and attributes Function: Tuner washer, gasket, and spacer for guitar tuning machines. Compatibility: Suitable for most electric and acoustic guitars and compatible with standard tuner configurations. Material: grade metal and plastic components for durability and reliable performance. Performance: hardness and strength provide durability and long term stability. Use scenarios a cracked or missing tuner washer during routine restringing or setup to restore secure tuner mounting. Install as a spacer when fitting tuners on an electric guitar to ensure proper alignment and prevent headstock damage. Include in guitar maintenance or work to protect headstock holes and improve long term tuning stability. This part is a straightforward, reliable replacement or upgrade for tuner washers and spacers on most guitars.