Great set for the handyman.  This will work on R12/R22/502 systems.  This manifold will need additional items purchased if you wish to use it for R134a systems.

Gauge set includes:

• 60" hoses set

• sight glass with moisture indicator

• Gauge set features:

• zeroing adjustment screw

• gauge pads

• 1/4" ends

• anti-flutter

• hoses are compatible with R12, R22, R134a, and hydrocarbons

To make this EPA approved, purchase #3368 Inline hoses

If charging using small cans, please purchase the Blue Top Can Tap #5005. This can be found under the Tools section.