Ironton 6in. Bench Grinder 1/2 HP 120V motor Operates at 3560 RPM Comes with two 3/4in. wide 6in. aluminum oxide wheels for coarse and medium grinding action Each wheel has an adjustable tool rest with eye shield for safe operation 1/2in. Spindle (1) Bench grinder (2) Grinding wheels 1/2 HP 120V motor Operates at 3560 RPM Comes with two 3/4in. wide 6in. aluminum oxide wheels for coarse and medium grinding action Each wheel has an adjustable tool rest with eye shield for safe operation 1/2in. spindle