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.
