Nozzle Body Compatible with Brand Centerfire Series Centerfire Compatible with Series BTB S-Gun Compatible with Model Q3015AE8EMC Q3015AE8HMC Q3015AE8XMC Q4015AE8EMC Q4015AE8HMC Q4015AE8IMC Material Copper Duty Rating Heavy Duty For Contact Tip Series Centerfire For Gas Diffuser Number D-1 Welding Processes MIG Welding (GMAW) Application Heavy Equipment Manufacturing Shipbuilding Trailer Fabrication Compatible with Grainger Part Number 38VN84