Usage Tips:Features: 3 holes bell style truss rod cover for electrical guitar and bass,give effective protection for your guitar. Made of iron, sturdy and durable, ensure a long time use. Delicate workmanship with good texture, smooth surface for you to use. Lifgtweight and portable, easy to use and carry. Great musical instrument acessory, suitable for most guitars and basses. Specifications: Condition: Material: Iron Weight: Approx. 10g / 0.4oz Size: Approx. 5.8 * 2.6cm / 2.3 * 1.0in Top Hole Center To Bottom Hole Ceter: Approx.4.9cm / 1.9n Bottom Hole Center To Bottom Hole Center: Approx. 1.7cm / 0.7in Optional Color: Black, Silver, Gold Package list: 1 * Truss Rod Cover 3 * Screw Note: Please allow slight deviation for the color and measurement. Thanks for your understanding. Package List 13 holes bell style truss rod cover for electrical guitar and bass,give effective protection for your guitar. 2Made of iron, sturdy and durable, ensure a long time use. 3Delicate workmanship with good texture, smooth surface for you to use. 4Lifgtweight and portable, easy to use and carry. 5Great musical instrument acessory, suitable for most guitars and basses.