1Pcs Only 

Knurled Drive roller

0.9/1.2mm  

FCW Drive roll 

Gasless Mig Wire Feed

Suits Bossweld, UNIMIG and many other brands of welder

30.0mm diameter x 10.0mm wide x 10.0mm Bore

V Groove drive wheels when using Steel & Stainless steel wires.

U Groove drive wheels when using Aluminium wires

FCW Groove drive wheels when using Flux Cored & Gasless wires

Keyway 3.0mm wide x 2.0mm deep