Cuts a hole, but it needs to be drilled. The wood burns very slowly.
Cuts an exact size hole. It is cheaper than other hole saws. Burns at a reasonable feed rate. Some difficulty removing the plug. Now dead and "NO LONGER AVAILABLE". Three suggestions why.
Pros
โ๏ธ CUTTERS: M42 cobalt HSS welded with alloy steel/HCS steel for heavy duty cutting