Features and Benefits:11 in 1 Screwdriver with ECX;Comfortable Tri-Lobe Handle;Visible ID Markings allows for quick tool identification on jobsite;The 11 in. 1 screwdriver includes the 8 bits and 3 nut drivers most requested by professionals. The bit prevents bit wear from hardened screws and extends bit life when fastening specialty screws found in electrical boxes, conduit couplers, outlets, and other common job site fixtures.