New from Schley is their 88750A Super Duty 12 ' 6-point oxygen sensor wrenches. Schley feels the 12-point side gives you twice the number of "clock angle" attachment positions versus other, similar products in accessing these sensors in tight spots. Additionally, the 6-point side provides more holding power for sensors that are corroded in place. The company also states that the new wrenches are 25 percent stronger and fit with all configurations of O2 sensor wires and connectors