• Leak-proof eight-sided crimps
• Blow-off grooves to prevent spray back
• Adjustable valve core depressor
• Extra deep knurling for easy grip
• Nylon permeation barrier

Constructed with a thermoplastic polymer inner tube and cover to eliminate the vibration failures of copper capillary tube installations. The higher temperature ratings of the thermoplastic (to 266 deg F) eliminates failures caused by maximum load conditions on rubber type pressure control hoses.