Description: [Size]: Electric Wrench Conversion Square Shaft 1.8cm x 4.5cm in size, compact in design, easy to carry and use [Carbon steel material]: Electric Impact Wrench Shaft is made of carbon steel, suitable for long term use [Multi function]: Four Square Sleeve Shaft has efficient disassembly and assembly functions, and can be used with a variety of screwdriver bits to achieve multiple functions such as drilling, screwing, and wrenching [Applicable tools]: Four Square Sleeve Shaft is suitable for electric wrenches to improve work efficiency [Easy to use]: Electric Wrench Conversion Square Shaft is simple in design and easy to operate, so users can quickly get started Specification: Material: Carbon steel Size Chart: 1.8cmx4.5cm/0.71inchx1.77inch Package Includes: 1 Electric Wrench Conversion Square Shaft Note: Color might be slightly different due to the color calibration of each individual monitors. Please allow slightly measuring deviation due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.