This brushless body only drill is compact, overall length is only 176mm. The DTD155 features assist Mode which helps to eliminate “screw cam-out” and “cross threading by driving at low speed until the start of tightening.DTD155 18v LXT Brushless Impact Driver FeaturesBrushless MotorElectric BrakeVariable Speed TriggerForward/Reverse RotationLED job Light2-Speed Impact Power SelectionErgonomic Soft GripAssist Mode: helps to eliminate “screw cam-out” and “cross threading by driving at low speed until the start of tighteningIncludes Makpac Case with InlayBare Tool – No Battery or Charger Supplied.