USAG Compact Flex Head Ratchet Bit Set (606 1/4SK) - identical to Facom R.180J31 (see side by side comparison pics) but at a cheaper price plus US warranty . Includes an ultra compact flex head ratchet driver allowing fasteners to be tightened in nearly inaccessible, difficult to access, or limited height environments. Includes a 4" (100mm) extension and slotted, phillips, pozidriv, hex and torx bits (28 total bits). Comes in a NANO-style compact case.