This 90-piece set of bonded seal washers is ideal for use in hydraulic BSP imperial systems, ranging from 1/8" to 1". The washers are designed to create a tight seal and prevent leaks, ensuring that your system runs smoothly. Made from high-quality materials, these washers are durable and long-lasting, making them a reliable choice for any hydraulic system. Whether you're working in the industrial or commercial sector, these washers are an essential component that you can depend on.