... all types of fitting with good quality and reasonable price. Straight connector• Features:3,4,7 pieces for tube is fitted to ... other tubes.have brass sleeve(insert), cutting ring(ferrule), nut,connector. • Materials:Iron,brass. • Fit size:¢5,¢6,¢8,¢10,¢12 ... 6958Tel: +86-575-8761 8856Fax: +86-575-8766 7309Sky.:hong175595 Straight connector