Includes: </br>No. 4673-1 - 29 mm pressure/vacuum switch socket</br>No. 4673-2 - 7/8" vacuum switch socket</br>No. 4673-3 - 27mm oil pressure sending unit socket</br>7/8" vacuum switch socket</br>1 1/16" and 1" oil pressure sending unit socket</br>22mm heated oxygen sensor wrench</br>7/8" short oxygen sensor socket<br/><br/>