Yankee Hill 2055 Nelson Booster Assembly 1-3/8"-24 tpi 17-4 Stainless Steel Matte Black Rings and Adaptors Its 8Cr13MoV blade steel is

Its 8Cr13MoV blade steel is expertly heat treated for a sharp cutting edge

Trident AT is easy to carry

The RF welded seams of the 70D TPU-coated nylon keep the weight down without giving up strength

Stainless steel black stonewashed blade with a black G10 handle

Yankee Hill 2055 Nelson Booster Assembly 1-3/8"-24 tpi 17-4 Stainless Steel Matte Black Rings and Adaptors Its 8Cr13MoV blade steel isThe YHM Nielsen Booster Assembly replaces the direct thread adapter on a YHM Sound suppressor or any other suppressor on the market which utilizes the 1 3 8" 24. They are designed to be used with handguns and barrels which require a Nielsen Piston spring.