Check the listing for details. 1-Pack Cast Pipe Fitting Hex Locknut, NPT1 1/4 Female Thread Hex Locking Nut. Condition: New. Listed at 8.94 USD. PRODUCT APPLICATIONCast pipe fitting hex locknut are suitable for places where pipes are disassembled and connected, such as valves, filters, pneumatic systems, irrigation and industrial equipment, to ensure the safety and reliability of the pipeline system.PRODUCT DETAILS√ Type: Cast Pipe Fitting Hex Locknut√ Material: Stainless Steel√ Color: Silver√ Size: NPT1 1/4√ Width Across Flats: 1.81 inches/46mm√ Thickness: 0.24 inches/6mm√ Package Includes: 1 pcs lock nutsPRODUCT ADVANTAGES1. Locknuts are made of stainless steel, with excellent corrosion resistance and long-lasting durability, certain strength and hardness, and are not easy to deform or break.2. The lock nut thread is precise and error-free, without thread crossover. The hexagonal design makes it easier for you to install and remove with a wrench.