Features and Benefits:

Up to 25% increased length for superior torque load
Surface drive plus on the open end and surface drive on the box end minimize fastener rounding
Oval shaped handle for improved comfort and grip
Only 5 degrees of sweep needed to move a fastener
Thin head shank design allows for work in tight spaces
Set includes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm