1. A very powerful grinder in a compact size 2. Electronic adjustable speed function can meet different working needs Parts can be ground, cut milled, carved, polished, trimmed and sanded by the quick hand flexible shaft system One 3" diameter wheel for buffing and the other 3" diameter for for grindingHave variable speed, up to 10,000 rpm104 mm flexible-shaft attachment with a 3mm collect in the ...