Feature: 1. Enhanced Durability: Crafted from solid maple wood, these guitar neck shims are robust and resistant to breakage and erosion, ensuring long lasting performance for your instrument. 2. Accurate Angle Adjustment: Guitar neck shims are necessary for adjusting the angle of the neck bolts for safety. Our product offers accurate angle tilting without air pockets, preventing instrument stand and neck wear. 3. Ideal Repair Tool: Guitar neck shims are perfect for repairing bass or guitar. With a highly flexible structure, they can be cut or sanded to fit your exact needs, protecting your instrument from damage due to incorrect angles. 4. Resonance and Stability: Superior to plastic, maple guitar neck shims offer enhanced resonance and stability, helping maintain the natural sound of your guitar or bass. 5. Fine Workmanship: The rounded edges of the neck shim prevent scratches on your hands, providing a smoothly and safe user experience, with no burrs or easy damage. Specification: Item Type: Guitar Neck Shim Material: Maple Wood Application: Suitable for a variety of guitar types and brands, including electric, acoustic and bass guitars. Tapered Specifications (Approximate Values): 0.25 degree shim tapers gradually from 0.030in to 0.019in (0.76mm to 0.48mm) 0.5 degree shim tapers gradually from 0.044in to 0.010in (1.11mm to 0.25mm) 1 degree shim tapers gradually from 0.078in to 0.010in (1.98mm to 0.25mm) 0.25 degree shim offers the highest versatility. Stacking them allows you to truly adjust the neck angle to your liking. 0.5 degree shim is the most commonly used. It works well on many other solid bodies. 1 degree shim is ideal for bass guitars with rear mounted bridges. . Package List: 1 x 1 Degree Neck Shim 1 x 0.5 Degree Neck Shim 1 x 0.25 Degree Neck Shim