3/8 Inch Drive Shallow and Deep 6-Point Impact Socket Set with Rails and Tray, 18-Piece (5/16 - 3/4 in.) Quantity:1 and the steel hex key

and the steel hex key rack has hex-shaped slots that allow larger keys to be taken in and out without resistance

Part Number: EZ-303-008

Part Number: 100FHLNL9Y

Part Number: BIT-INSNS56-6

3/8 Inch Drive Shallow and Deep 6-Point Impact Socket Set with Rails and Tray, 18-Piece (5/16 - 3/4 in.) Quantity:1 and the steel hex keySizes are marked both with a high visibility laser marking and a permanent stamped marking that won't wear off Shallow and deep 6 point socket openings provide an exact fit for hex fasteners Radiused corners prevent fastener round off by applying force to a fastener's flat sides, rather than its corners Meets a minimum of 1. 3 times the ANSI ASME standard for proof torque Twist to lock socket rail organizes and securely holds sockets in place, both