Bosch 18SG-5K 5-Inch 9.5 Amp Concrete Cutting Kit Grinder is lightweight and compact for all day use Padded rear handle provides comfort and control under demanding applications Sealed switch keeps debris out of the switch mechanism and extends switch life Epoxy-coated field windings provide ultimate protection against abrasive dust and metal debris 18SG-5E dust guard provides effective dust containment and features a removable nose piece for flush surfacing