MIG Drive Roller 

UNIMIG

T&R/KT50-4

"V" Groove

40.0mm x 10.0mm x 32.0mm Bore 
0.6-0.8mm
SP00007
Drive roll kit 0.6mm & 0.8mm Mig wires
"V" groove drive wheels reduce slipping when using Stainless & mild steel wires.
Requires less tension on idle wheel.
30.0mm diameter x 10.0mm Wide x 22.0mm Bore.
Keyway 4.0mm wide x 2.0mm deep