SmartPro Tools SPT 4510-B Precision Extendible & Flexible Shaft 12-in-1 Screwdriver Set Precision screwdriver allows you to work in tight spaces or with screws requiring a precision bit. Screwdriver shaft is flexible and extends an additional 2-3/8". Comes complete with 6 double-ended bits, a total of 12 bits. 6 double-ended bits store in the handle and are easily accessed. Convenient pocket clip.