[ GREAT GRIP ] 6 point high torque design grips flat sides of a fastener, not corners, preventing round-off.
[ DEEP 6 POINT SOCKETS ] 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1 inch. [ SAFE TO USE ] Designed for use with a locking pin and ring to increase safety when working with pneumatic tools.