Interdynamics (QC-2HD) R134a Refrigerant A/C Charging Gun Reviewhttp://tinyurl.com/ptd649x Interdynamics (QC-2HD) R134a Refrigerant A/C Charging Gun One-hand control, squeeze trigger to fill and release to measureHeavy-duty die-cast metal constructionLarge easy to read measuring dial90 degree push and lock coupler locks on cars low side portAccurately measures and charges R134a systems
