FMSI > Tools & Equipment > Brake Tools & Equipment > Tube Flaring Tools > Item # 5403 FMSIFMSI Tools & EquipmentTools & Equipment Brake Tools & EquipmentBrake Tools & Equipment Tube Flaring ToolsTube Flaring Tools Item # 5403 Item # 5403, Hardened Double (Standard) Manual Flaring Tool 5403Hardened Double (Standard) Manual Flaring Tool Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both Specifications Size N/A 3/8", 5/16", 1/4", 3/16"