This quarter handle is a great addition to my fittings collection. The product is sturdy, reliable and fits perfectly within my existing setup. The handle is easy to grip and the threads fit seamlessly into my industrial and scientific system. Its durable construction ensures it can withstand consistent use without breaking down or showing any signs of wear and tear. The only downside is that the pack contains a single piece- I wish it was sold as a bundle. Overall, a great investment for any industrial or scientific setup.