NKST5003 7 1/2" DAREDEVIL AUGR SET Specially designed bit heads  engineered to work in cordless high-speed mode Decreased pitch tips  deliver up to 2X more holes per charge Reinforced tips  furnish up to 2X longer life than standard auger bits Effective overall length  built to be 6-1/2 In. long for use in-between studs and in tight areas