Product name:Guitar Floating Tremolo Bridge Shim Product size: 12.5*4*3cm/4.72*1.57*1.18inch Product color: As shown in the figure Product material: ABS product features: 1. The floating bridge string changing tool made of durable plastic has a soft padded bottom and tapered edges for easier insertion between the tremolo blocks. The narrow edges are designed to hold your floating tremolo system in a fixed position for easy string changes. Changing strings on your floating tremolo system can be tedious and difficult. Not so with the new string changing tool! 2. When you are ready to change the strings, push the tremolo bar down and insert the narrow edge under the bridge. The soft pad underneath the product rests on the guitar top, giving you easy access to the string locking hex screws on many pontoon systems. Simply replace the strings one by one, or all at once. 3. Once you have all the strings off, you can clean your fretboard. Tune it close to pitch and remove the product. Using it will greatly reduce the time it takes to change strings with the floating tremolo system! 4. It is very light at only 30g and is a must for your concerts and performances. 5. Most people fail in their performances because they don't change and tune their equipment properly, using this product will solve this problem perfectly. 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 feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Guitar Floating Tremolo Bridge Shim