The thickness specifications of the two crucibles are slightly different. Therefore, the groove for placing the rake is slightly larger when it is made. This makes it easier to install the rake faster and easier to remove. Therefore, the Space between the installations is slightly pasted with textured paper. Fixed on one side of the file Generally suitable for electric guitars. Some guitars have smaller angles of silk. That is, the slope of the edges of the silk is larger, and the finger sliding is more comfortable. also treat it according to the width of the fingerboard. Product Description: Width can cover the entire fingerboard The weight is right, the grinding is stable and will not shake Two degreen:45 degree and It is more wear-resistant and softer than hardwood. When it is on the silk, it will not damage the guitar fret because of hardness. Colour:White Material:PVC + Metal Size:15x5x3cm Package Contents: 1 * Fret Beveling File Only the above package content, other products are not included. Note: Light 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.