Ordering chart Version Straight basic fittings with thread UNF ¼ - 28 Clamping sleeves Tubes Hose outer diameter 1/16" (1,6 mm) ⅛" (3,2 mm) 1/16" (1,6 mm) ⅛" (3,2 mm) Øa x Øi = 1,6 mm (1/16") x 0,8 mm Øa x Øi = 1,6...