Features<br> Material: The metal body ensures high strength and durability for practical use.<br> Enhanced Stability: Designed to secure guitars strings in place, improving tuning stability and overall performance.<br> Easy Installation: Simple to install, allowing quick adjustments without the need for special tool.<br> Functional: Relieve the guitars strings and reduce the wear of the strings to extend the life of the strings.<br> Package: Set of 6 blocks for replacing old or damageds Tremolo bridges insert blocks.<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> Size: 8.15*5*4mm<br> Material: Metal<br> Package List:<br> 6pcs String Lock Insert Blocks