Product name:Floyd Rose Floating Tremolo Set Up Blocks Product size about : S,M,L,XL Surface: spray varnish Product color: As shown in the figure Product material:Mahogany product features: 1. Floating Tremolo : These graded blocks help you set up a Floyd Rose style floating tremolo in under 10 minutes 2. Easy to set up: Quick and easy - these blocks turn your floating tremolo into a hardtail as you adjust and set it up, then quit when everything is set up correctly as a true floating tremolo 3.4 SIZES: Designed to fit all floating tremolo guitars - four sizes to fit nearly any floating tremolo configuration 4. Solid mahogany: We use solid mahogany that is manually polished and spray-painted, which is safe and has no odor. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 4 pc Floating Tremolo Set Up Blocks