Features: Tube:5/32'' * active thread 1/4''Tube: 1/8'' * active thread 1/8''Tube: 5/32" * active thread 1/8''Tube:1/4'' * active thread 1/8''Tube:3/8'' * active thread 1/4''Tube: 3/8'' * active thread 3/8''Tube: 1/2'' * active thread 3/8''Tube: 1/4'' *active thread 3/8''Tube: 3/8" * active thread 1/8''Tube: 3/8'' * active thread 1/2''Inch Tube & Metric Tube are both available, and there are PT,NPT,BSP and NPTF threads for your reference. producing area:China payment:T/T, L/C at sight