Picquic SixPac Plus Multi-bit Screwdiver with Square-drive and Slotted Bits Popular SixPac Plus screwdriver loaded with 7 Picquic Square-drive & Slotted bits Each screw bit is 3" long, 1/4" hex shaft. Fits power drivers, too. Square-drive Sizes: #0, #1, #2, #3. Slotted Sizes: 1/8", 3/16", 9/32" Handle colors may vary. Screwdriver with bit is 8" long.