The Rockwell ShopSeries RK7867 Bench Grinder has two 6-inch grinding wheels. The left wheel is 36 grit and the right wheel is 60 grit and has 2.0 Amp input and a no load speed of 3450 rpm. It features an adjustable work/tool rest for precision control. Included are two safety eye shields over each wheel and spindle lock. This grinder includes two grinding discs 2 work rests and 2 eye shields. Machine weight is 19.8 lbs.