MATERIAL: The guitar neck is made of solid maple wood, which is naturally durable, not easy to break and corrode, and can you for a long time 3 SIZES: Set includes 3 hard maple spacers with the following tapers: 0.25 degree taper, 0.5 degree taper and 1 degree taper. Used to change the angle of bolt-on guitar necks PRACTICAL DESIGN: These spacers create unnecessary play compared to typical "guitar pick" neck seam spacers, these tapered spacers cover the entire neck heel PERFECT TO REPAIR YOUR GUITAR: Whether you're installing a new size bridge or simply repairing the neck, guitar neck spacers fit most electric guitars and basses A MUST-HAVE FOR GUITAR LOVERS: guitar neck spacers are a must-have for anyone who plays guitar regularly and needs parts for quick and easy repairs color:Wood color Material:wooden size:7.7 x 5.5cm Package Contents: 3 x Guitar Neck Shim Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.