Bosch 3 4 in x 12 in HSS Round Hammer Drill Masonry Drill Bit Smart home for portability USB port for for portability USB port for charging cell phones or other electronic devices Auxiliary jack for direct connection Kobalt's 5 year warranty gives you peace of mind Compatible with all Kobalt 24 volt max batteries and chargers (sold separately) 8 Manufacturer Warranty 5 Year Tool Warranty masonry and concrete Asymmetric diamond ground carbide tip – allows for precise starts Milled U flutes with deep cut spiral – delivers fast material removal Robust head – for long service life in impact applications Three flat shank – provides aggressive gripping power Designed for impact applications – for fast drilling in block