Details: * 100% Brand New and High Quality * Color: Black (As Pictures Show) * Material: 65 Steel * Specification: 1/2" (Male) - 3/8" (Female) 3/8" (Male) - 1 /4" (female) 3/8" (male) - 1/2" (female) 1/4" (male) - 3/8" (female) * Size (approx.): 1/2" (square hole ) - 3/8" (square head): 12.5*9.5mm3/8" (square hole) - 1/4" (square head): 9.5*6.3mm3/8" (square hole) - 1/2" (square head) head): 9.5*12.5mm1/4" (square hole) - 3/8" (square head): 6.3*9.5mm* Socket adapter is made of steel for durability and long life* The surface of each plate is finished with electroplating and darkening, which guarantees corrosion resistance. The body adapter is designed with a ball mount and a small hole to keep the sockets in place and secure* There are a total of four socket adapters of different sizes in this set and you can use them for multiple sockets* These adapters are small in size and easy to store; If you receive a tool kit, this kit should be the same Package Content: 4* Socket Adapters Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.