Exquisite craftsmanship, high quality plastic and metal materials combine to be a good quality assurance product. It can be bent, twisted and rotated at many different angles. It can be drilled in a small space, in a variety of spaces, rather than in your hand, flexible installation work. Let this flexible drill bit extension tool help you solve more problems quickly. The internal shaft has a wide rotation range and high-quality stability. When the inner shaft rotates, the flexible black housing protects your hands from injury and perfectly complements your work. 2 pieces for easy replacement. Compatible with small wrench, cordless screwdriver, air screwdriver, torque drill, electric screwdriver. Flexible drill extension screwdriver with many application scenarios. PLEASE keep the tool size according to your screw: length 11.6 inch / 29.5 cm. Connection Hex Rod Drill Site Size (6. 35mm) (1/4) 0. 25in.