Feature: *1.100% Brand new and high quality *2.Precision-machined heat-treated black chrome molybdenum steel for outstanding durability and strength in every impact movement *3.High quality black phosphate coating prevents rust and corrosion, extending tool life *4.Full 360-degree motion allows the U-joint to rotate the socket into full rotation for tighter space for better coverage *5.A spring-loaded ball at the end of the rod locks the socket in place to ensure safety and prevent falling *6.Widely used in a variety of scenarios, bicycles, cars, various mechanical auto repair, etc. Specification: *Color: Black(As Pictures Show) *Material: Chrome Molybdenum Steel *Size: 1/2, 3/8, 1/4-inch Drive Joints Package Contents: Option 1: 1*1/4 Drive Joint Option 2: 1*3/8 Drive Joint Option 3: 1*1/2 Drive Joint Notes: 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.