ISO B series Hydraulic quick couplings 1.all sizes,materials hydraulic quick couplings 2.Interchangeable 3.High pressure ISO B series Hydraulic quick couplings1.all sizes,materials hydraulic quick couplings2.Interchangeable3.High pressure4.Meets ISO 7241 B standards5.Interchangeable to parker,nitto,hansen ,faster series6.High quality and small qty7.Thread:NPT,BSP8.Material:carbon steel,brass, ...