Milwaukee 48-22-2761 11-in-1 Screwdriver with Square Drive
11-in-1 Multi-Tip Screwdriver with Square Drive Bits (2-Pack)
Amazon.com: Klein Tools 85664 Screwdriver Set, Square Recess with Color Coded Handles and Heat Treated, Chrome Plated Shafts, 4-Piece : Tools & Home Improvement
CRAFTSMAN #2 Bi-material Handle Square Screwdriver in the Screwdrivers department at Lowes.com