Armaspec 1/2x28 Fluted Thread Protector SS. These fluted thread protectors are precision-machined from high-strength stainless steel material ensuring both durability and reduced weight. You can choose between two color options: Black and Stainless Steel making them the top choice for protecting your rifle's threads. Specifications for Armaspec 1/2x28 Fluted Thread Protector: Manufacturer: Armaspec Threads per Inch: 1/2x28 Condition: New Fabric/Material: Stainless Steel Features of Armaspec 1/2x28 Fluted Thread Protector Coming Soon Package Contents: Armaspec 1/2x28 Fluted Thread Protector Armaspec ARM1941-SS: 1/2x28 Fluted Thread Protector SS