4Pack 1/2 x 28 & 5/8 x 24 Thread Protector Steel for .22LR .223 5.56 &.308 LR308

1/2x28 Thread Protector for Most. 22LR. 223 & 5.56 and 5/8x24 Thread Protector for. 308 LR308. Knurled for quick, tight and tooless use,Small & Compact highly effective.