Breek Arms Universal Hub Direct Thread, Fits 1.375X24 TPI HUB Suppressors, 1/2X28 Thread Pitch, Steel Construction, Matte Finish, Black BRK4600Breek Arms Universal Hub Direct Thread, Fits 1.375X24 TPI HUB … BRK4600SKU: BRK4600$66.95PriceQuantity*Add to Cart