ODIN Works 1/2-28 Thread Protector Stainless Steel. These Pistol Parts from the trendsetters at ODIN Works feature a knurled exterior for easy gripping and a 1/2-28 threading that fits a variety of accessories and attachments. With a 1/2-28 threading the ODIN Works Thread Cover/Protector is easy to install and can be removed at will when you need your weapon to function. Stop allowing your budding firearm to sit with thread damage and discomfort when you use this ODIN Works Thread Cap/Protector. Specifications for ODIN Works Thread Protector: Manufacturer: ODIN Works Color: Silver Package Contents: ODIN Works Thread Protector ODIN Works ACC-1/2-Thread: 1/2-28 Thread Protector Stainless Steel