All sizes except 1/2" and 5" comply with Mil-Spec A-A-59326 for interchangeability
5" Size complies with ASTM specs for interchangeability
1/2" x 1/2" are not specified under Mil Specs
Brass alloy is specially designed for high tensile strength and rigidity
Locking feature using safety clips to prevent disconnection during use on all sizes except 1/2"
WARNING: This product can expose you to chemicals which are known to the state of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov