Slender and compact body with durable metal gear housing (with keyless drill chuck). TOOL ONLY!USER BENEFITS:Extra-low vibration level for reduced operator fatigue.Dual purpose for ?Rotation only? and ?Rotation with hammering?.Built-in torque limiter stops bit rotation when hitting reinforcements.Industrial strength keyless chuck.Double Insulation, Variable Speed, Reversing, Mechanical 2-Speed, Torque Limiter, Keyless Chuck and Carry Case.