Flow-Rite 1-1/8" Straight Quick Connect Socket for Auto Ballast SystemFeatures: They also fit 1.0" Diameter hose These connect to FatSacs W743, W743-SS, W743-DOUBLE, & W748 custom machined fittings *Sold as an Individual WARNING: This product can expose you to chemicals including Diisononyl Phthalate (DINP) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. Specifications: Type: Fittings & Hoses Box Dimensions: 2"H x 2"W x 3"L WT: 0.05 lbs UPC: 817177021468 Brochure (pdf)