Overall I like this product and have used it quite a bit. I replaced a grinding wheel with a twisted wire wheel and found I had to find and use a spacer to properly clean the inner cover. fingers along the edge, as if when sharpening a chisel, the lower part of the stop would not interfere with my finger; In addition, the tool rest cannot be tilted to accommodate angled sharpening such as B. chisel record. The holes were easily marked for drilling and the mounting screw heads were much easierβ¦