This is the finest made fittings we have ever offered! This is a replacement barb for any product that use G 1/4\" fittings. These will screw into any available port. Learn the name; Bitspower Premium water cooling products! These are the new Black sparkle series fittings which have a black shiny tint and are absoultely gorgeous looking!Features:Special Design for PC Water CoolingPerfect Surface treatmentTRUE Hi-FlowHidden O-Ring DesignSpecifications:Material : Hi Quality Brass with Shiny Black Sparkle coatingThread : G1/4\"Tubing Size : 1/2\" I.D.Barb I.D. 10.5 mm