Compatible with all types of light wall coiled tubing.Material including:Copper, Brass, Aluminum, Stainless Steel, Semi-Flexible Coaxial cable etc..

**Size Option Below***

Metric: 4 , 5 ,6 , 8 , 10, 12mm

SAE: 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2"