Description SW 6 6-in-1 quick change screwdriver. Slotted Bits: 3/16″ and 5/16″ Phillips Bits: #1 and #2 Nut Drivers: 1/4″ and 5/16″ Length: 7-1/2″ Available individually or a display box of 12 pieces. Alloy Steel Reversible Bits *New style has a black handle. Old style had a red handle. Box displays of 12 are available, but in black handles only.