Features:* * The socket adapter is made of steel for durability and long service life * The surface of each socket is electroplated and darkened finished, guaranteeing corrosion resistance.* The body adapter is designed with a ball holder and a small hole to keep the sockets in place and safe * These adapters are small in size and easy to storeSpecification:* Color: Black(As Pictures Show)* Material: Chrome Molybdenum Steel * Size: (Please Choose)1/2" to 3/8"3/8" to 1/2"3/8" to 1/4"1/4" to 3/8"1/2" to 3/4"3/4" to 1/2"Package Content:1* Socket AdapterNote:1. The actual colors 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.2. Please allow slight manual measurement deviation for the data.