Suppression of motor speed during no-load - Reduces vibration of tool body when idling, & decreases the amount of vibration to operator's hands

Variable Speed control dial enables user to match the speed to the application for greater versatility

Constant speed control automatically applies additional power to the motor to maintain speed under load to complete the most challenging jobs

Soft Start suppresses start-up reaction for smoother start-ups and better accuracy

Automatic Brush Cut-Off protects commutator from damage for longer tool life

Electronic with; - Variable speed control by dial - LED service light that indicates when to replace carbon brush - LED power light that indicates trouble with the electric circuit