Stalwart 75-HT4013 Power Bit and SAE Nut Driver Set (13 Piece) Perfect for UAV's, Drones, Small Repair, Automotive, Hobby & Home Color Coded Bits for Easy Identification All Nut Drivers Magnetized to Hold Nut in Place, Set Includes: Quick Release Anodized Chuck on Bit Holder; Carbon Steel 3/8 Drive Adaptor for Power Screwdriver, Six 2.0" Bits: Phillips: #1, #2; Torx: T15, T30; SquareCR-VS1, CR-VS2, 5 SAE Nut Drivers: 1/4", 5/16", 3/8", 1/2", 7/16" Case Dimensions: Length: 7 inches, Width: 3.5 inches, Height: 1.45 inches