exquisite craftsmanship, high-quality plastic and metal materials combine to become a good quality assurance product. It can be bent, Twisted and rotated at many different angles. It can be drilled into a small space, in a variety of gaps, rather than your hand, flexible installation work. Let this Flexible Drill Bit extension tool help you solve more problems quickly. inner shaft has a wide range of rotation, and high quality stability. When inside shaft rotates, the flexible black casing protects your hands from hurt and perfectly completes your work. 2 Pcs for easy replacement. Compatible with small wrench, cordless screwdriver, Pneumatic screwdriver, torque drill, electric screwdriver. Flexible Drill Extension screwdriver with many application scenarios. PLEASE keep the size of the tool to match your screw: length 11. 6 inch/ 29. 5cm. Connection hex shank drill site size (6. 35mm) (1/4) 0. 25in.