Miller AccuLock Nozzle Insulator 2/pk – 4623RM

Genuine Miller® AccuLock nozzle insulator for your Miller MDX-250 or MDX-250 EZ-Select MIG welding gun. Nozzle insulator is designed to be used with either AccuLock MDX or AccuLock S diffusers.

Electrical Protection

Rubber cap insulates AccuLock from electrical current

Optimized Wire-Feeding

AccuLock consumables system centers and locks the liner into position at the front and back of the gun for a flawless wire-feed path from the feeder to the contact tip.