Quotes (0) FMSI > Air Conditioning System > Service > Sealing Washers, Gaskets, Service Ports & Caps > Valve Core Tools > Item # 5091 FMSIFMSI Air Conditioning SystemAir Conditioning System ServiceService Sealing Washers, Gaskets, Service Ports & CapsSealing Washers, Gaskets, Service Ports & Caps Valve Core ToolsValve Core Tools Item # 5091 Item # 5091, Port Thread Cleaner 3/16 in - 1/4 in 5091Port Thread Cleaner 3/16 in - 1/4 in Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both