0ur Review: :Direct drive 3/4 Hp ball bearing induction motor. Rotation speed: 345O rpm. (2) Flexible 15W work lights for increased visibility. Heavy-duty cast iron construction. Complete with (2) 8' grinding wheels-medium and coarse grits. 5/8' Arbor accommodates 8' wheel with up to 3/4' maximum width. Easy to adjust, shatter-resistant eye shields. Adjustable metal tool rests. Adjustable spark guards. Base has pre-cast holes for easy mounting onto workbench or stand. Removable wheel guards allow easy mounting of optional ...