STRAIGHT ADAPTORS:Material:Carbon Steel and Stainless Steel,Size:4, 6, 8, 12, 18.We are manufacturing and exporting highly precise fittings for Hydraulic, Metal and Teflon hoses, Flanges, stub ends and rings. “NRB” is known for consistent quality products, services and fair approach to business. Business Ethics is the fundamental principle of NRB. Our manufacturing Capacity ensures quick deliveries & excellent Quality.