3pcs 1/4 3/8 1/2 Hex Shank Drive Screwdriver Drill Bit Electric Socket Wrench Extension Joint Adapter Specifications: Material: Chrome vanadium steel Size: 52 X12.7mm/2.05 X 0.5 in, 50 X 9.5 mm/1.97 X 0.37 in, 51 X 6.35 mm/2.01 X 0.25 in (length * diameter) Weight: Approx. 68g
Instructions: Suitable for screwdriver handle or electric screwdriver tool (hexagonal hole or three claw chuck) used to drive the socket, the hexagonal connector can be converted to square after installation, which can be used for socket installation, and conversion tool.
Note: Please allow 1-3 cm differs due to manual measurement.