- PREMIUM MATERIAL: Crafted from high-quality all-aluminum alloy, this CNC detachable handle features an anodized surface for a sleek, high-gloss finish while keeping the weight minimal. The precision CNC turning design and fine-threaded aluminum alloy joints ensure durability and performance. - PRESS BLOCK DESIGN: The innovative pressure block design allows for seamless assembly of press-in bottom brackets. The specially designed sinking table minimizes pressure on the bearing during installation. Simply adjust the press block position, hold securely with both hands, and apply pressure to install the bottom bracket effortlessly. - USER-FRIENDLY: This tool is equipped with a single side plane thrust bearing, simplifying the installation process and reducing labor. Specifically designed for bike headset and bottom bracket installations, it enables you to complete your tasks quickly and professionally. - LABOR SAVING: Designed to save time and effort, the bearing lubrication ball feature reduces the effort required for installation and prevents unnecessary squeezing, making the process smoother and more efficient. Applications: 1. Ideal for professional bike mechanics or enthusiasts working on various bike models, ensuring a precise fit for bottom brackets. 2. Perfect for DIY bike maintenance, allowing users to easily install headsets and bottom brackets without needing extensive tools or experience. 3. Suitable for bike shops requiring reliable tools to enhance their service efficiency and provide quality installations.