Features: Individual high side and low side bodies for convenience. Allows for Servicing both high side and low side R134a ports. Other kits are not so accomodating. Quick and easy opening/closing internal ball valve bodies. Extractor shaft assemblies allow service of all valve cores in all R134a and R12 systems world-wide. R12 adapters allow connection to all 3 types of R12 ports both high side and low side. Kits include: 7 Extractor assemblies, 3 R12 adaptors, 2 R134a assemblies.