Size is marked both with a high-visibility laser marking and a permanent stamped marking that won’t wear off6-point socket opening provides an exact fit for hex fastenersRadiused corners prevent fastener round-off by applying force to a fastener’s flat sides, rather than its cornersInterior socket well extends far into the socket, which allows for better fastener engagement in more situationsMeets a minimum of 1.3 times the ANSI/ASME standard for proof torque