GearWrench 9900 7 Piece Flex-Head Combination Ratcheting Wrench Set Metric Review

Patented surface drive reduces fastener rounding.
Flex head tilts up to 180 degrees at any interval
Set screw allows you to set head tension
Ratcheting box-end needs as little as 5 degree turn to move fastener.
Designed for tight spaces.Sleek head design enables access to tight spots where a ratchet will not fit.