With dimensions of 12" x 10" x 1.25", the Wicked Edge Base comes with pre-drilled holes for mounting the WE100, WE120, or WE130 Precision Sharpeners. This base is made from a material called PaperStoneTM. If you are familiar with MicartaTM, you will find it very similar. It is dense and tough with a beautiful luster. COLORS MAY VARY based on supply.