2Pcs Back Nuts 3/4 BSP Plastic Nut This pack contains two plastic back nuts with a 7/8 inch BSP thread.Designed for use in plumbing and fluid systems, these nuts provide a secure connection when used with compatible fittings.Made from plastic material, they are suitable for applications requiring corrosion resistance and lightweight components.The 3/4 inch British Standard Pipe threading compatibility with standard BSP fittings.These nuts are commonly used in water systems, pneumatic setups, and other industrial or household applications where threaded connections are needed.