Features: High-temperature-brazed tungsten carbide blades ensure impact resistance and bend resistance for longer work life. Wide and deeply supported plate design enhances safety, prevents tip breakage, and facilitates faster, more accurate drilling. Large volume spiral flute efficiently removes drill dust, speeding up drilling processes. Lower vibration ensures comfortable, fatigue-free operation. Suitable for use in granite, concrete, masonry, limestone, natural as well as artificial stones, and more. Specifications: Brand: Total Tools Model: TAC312003C Type: Hammer Drill Bit Size: 20 x 310mm SDS PLUS: SDS+ stands for Slotted Drive System Plus Carbide Tip: High quality cross head carbide tip Shank Material: Chrome alloy steel Packaging: Packed by plastic hanger