STANLEY Hand Tools Metric Hexagon Grip Key Set, 9 Piece USB New wireless tool functionality not SCAHVMJXXL New wireless tool functionality not on the DCS690 enables the user to connect to compatible products Dewalt DCS691 Features and Benefits 54V enables corded performance from a cordless tool � Durable high power Brushless motor for the toughest applications New wireless tool functionality to connect to compatible products Rotatable guard gives 5 position for improved visibility when cutting in tight spots 83mm depth of cut for single pass in pavestones adaptors or particulate pre filters are not necessary Multi Functional Hex grip key set reduces toolbox clutter using the specially designed handle you can use any key in a T