Product Name: Guitar Neck Shims Product size: 0.25-degree taper from 0.030 \" to 0.019 \" (0.76 mm to 0.048 mm) 0.5-degree taper from 0.028 \" to 0.008 \" (0.71 mm to 0.020 mm) 1-degree taper from 0.060 \" to 0.010 \" (1.52 mm to 0.025 mm) Material: Canadian Maple Product features: 1. Used to change the angle of a bolted guitar neck 2. Made of solid maple to match the guitar neck 3. Better than the typical homemade \"guitar pick \" neck joint shims, which create an unwanted gap, these tapered shims cover the entire neck heel 4. Have these on hand for a quick turnaround on this common repair 5. The set includes 3 hard maple shims in the following tapers: 0.25-degree taper, 0.5-degree taper, and 1-degree taper This set includes 3 hard maple shims, each with a different taper to change the pitch of any bolted neck: The 0.25-degree shim offers the most versatility, stack them and you can really dial in the neck angle you're looking for. The 0.5-degree taper is the one you'll use most often, it works great on Fender and many other solidbody guitars. The 1-degree taper for guitars with a Tune-o-matic bridge or Floyd Rose. Precautions: Different computers display colors differently, the color of the actual item may vary slightly from the following images. Package includes: 3 Pcs Guitar Neck Shims.