The hitachi dh50mr sds max hammer drill has a powerful 1400 watt motor for high drilling speed and high demolishing performance it has variable speed with constant speed control with two mode action rotary hammer drilling and hammer only with neutral position for easy positioning of chisels with soft grip front and rear handles auto stop carbon brushes and a variable lock mechanism 12 stages for chiselling standard accessories side handle depth stop grease pack and carrying case specification mo