The Ti Alloy Bleed Screws for R7020, R8020, R9120, and R9170 hydraulic brake bolts, in a 2-pack set of Black and Silver, are a perfect addition to any garage or workshop. The M7 size ensures optimal compatibility, while the high-quality Ti Alloy provides superior strength and durability. The O ring seals against leaks, keeping your brake system in top condition. With just one side having a black finish and the other silver, they ensure a stylish and functional design that blends seamlessly with any hydraulic brake system. These Ti Alloy Bleed Screws are not only reliable but also safe, as they are made to meet strict industry standards. Invest in these and you'll have a peace of mind with a functional and stylish hydraulic brake system.