The Beta Tools Flexible Bit Driver, No. 897L, is a 1/4" bit driver with an extra-long flexible shaft. The overall length is 20" and the flexible shaft is 15" long and made of steel. It is designed to reach hard-to-get fasteners buried deep beneath obstructions that prevent a straight line of access. The ergonomic handle is anti-roll. The tip has a knurled section for gripping that will not turn with the rest of the tool, making it easy to operate.