You can work easily without bending your waist. [Uses] Gravel work on concrete, etc. [Functions and Features] The long shaft makes it ideal for working in deep and deep work sites. Specifications: SDSmax shank specifications. Material: Chrome molybdenum steel. Product Size (W x H x D): 1.6 x 26.4 x 0.9 inches (40 x 663 x 22 mm); Weight: 48.2 oz (