Thread bushing to convert 1/2" x 20 UNF Threading to M20x1 Threading. Aluminum with Black Anodizing, extremely light weight and durable, will not corrode, less likely to seize.
Perfect for a collection with M20 and 1/2" UNF thread types. Simply buy one moderator with M20 threading, then use this inexpensive adapter to apply the moderator to your 1/2" UNF threading. No longer need to purchase two different moderators for your collection!
Weights about 0.1oz!