This Kobalt screwdriver features the special patented double drive ratcheting technology and the handle opens to store the 12 bits and the extension. The bits include Philips, Slotted, Star, and Hex. SKU:ADIB00Q2ZNZBS This Kobalt screwdriver features the special patented double drive ratcheting technology and the handle opens to store the 12 bits and the extension. The bits include Philips, Slotted, Star, and Hex. SKU:ADIB00Q2ZNZBS