Heat treated chrome vanadium steel
Chrome plated for durability and long life
Black chrome coating for a great look and easy find in the tool box
T-handle has ball bearing detent socket holders on each leg
Also has a 1/4in. drive swivel for access to tight spots
Standard version comes with 5/16in. , 3/8in. , 7/16in., 1/2in. and 9/16in. black sockets