die grinder. and an angle grinder is a hand held bench grinder. a die grinder is for fine wok. think of it like this: die grinder=scalpal, angle grinder=sword
sorry lol i call it dy but i guess its called "die", but ya you will need a grinder of some sort to add to your tools list, has anyone ever heard of a electric die grinder? all the ones i have used run on compressors