The updated graphene liner SMX-3.5 is a MIG torch wire feeding liner, special for aluminum welding wire.
Suitable for YesWelder aluminum MIG welders, such as MIG-250PRO-SG, MIG-205DS-B, YWM-200, YWM-211P 
- Outer diameter: 5/32" (4mm), inner diameter 14ga  (2mm)
 
- Length: 13.12’(4m)11.48’ Graphene liner+1.14 copper feed liner
 
- Suitable for .039”/.045” aluminum wire
 
- High-temperature resistance, corrosion-resistant
 
- Phosphor copper head and guidewire tube for long service life
 
- Graphene liner for smooth wire feeding