The PROFAX 4R Drive Roller 0.9mm V Knurled is a precision replacement part designed for welding wire feed systems. Manufactured by PROFAX, this drive roller features a 0.9mm V-shaped knurled groove, optimized to grip and feed welding wire smoothly and consistently during MIG welding operations.

This drive roller is essential for maintaining reliable wire feeding performance, reducing wire slippage, and ensuring consistent weld quality. Its knurled surface provides enhanced traction on 0.9mm diameter wires, making it suitable for fine wire applications in industrial and fabrication settings.

Key features include:

• Compatible with PROFAX welding wire feeders
• V knurled groove designed for 0.9mm wire diameter
• Durable construction for long service life
• Critical for precise wire feeding in MIG welding processes