11-In-1, Square, Multi-Bit Screwdriver, Comfortable Tri-Lobe Handle, Visible ID Markings, Allows For Quick Tool Identification On Jobsite, Bit Prevents Bit Wear From Hardened Screws & Extends Bit Life When Fastening Specialty Screws Found In Electrical Boxes, Conduit Couplers, Outlets & Other Common Job Site Fixtures, Includes: Phillips #1, Phillips #2, Slotted 3/16", Slotted 1/4", Square #1, Square #2, Torx #10, Torx #15, .25" Nut Driver, 5/16" Nut Driver, 3/8" Nut Driver & Loop Maker.