OTC Oxygen Sensor Socket Set, 7 pc

Set includes:
29mm pressure/vacuum switch socket, 7/8" vacuum switch socket
27mm oil pressure sending unit socket, 7/8" oxygen sensor socket
1-1/16"and 1" oil pressure sending unit sockets,
22mm heated oxygen sensor wrench, 7/8" short sensor socket & case
Set requires both 3/8" and 1/2 ratchets- not included