Size: While angle grinders come in a variety of sizes, the 4-½-inch models (115mm) are far and away the most popular with both DIY and professional users. I concentrated on these, but did add one ...

Surface Grinders are machines that can make a surface of a part ... sometimes down to just a ten-thousandth of an inch (o.0001″) in order to make a precision part. [Daniel] is a tool guy and ...