This socket tool is designed for 16-notch x 44mm external bearing BB cups and disc brake lockrings. It fits all 16-notch x 44mm external bearing bottom bracket cups. The updated design also fits 16-notch x 44mm disc brake lockrings, Shimano TL-FC24 and TL-FC25 adapters. It features a square 3/8 inch drive and works well with Pedro's snap-channel Pro Socket Handle, 24mm socket or wrench, or in a bench vise. With professional quality and precision sizing, it provides a perfect fit. Pedro's socket tools are made to offer high - quality, precisely - fitting tools for proper installation, removal, and adjustment of modern drivetrain components. Each tool is designed to fit perfectly, protecting the component and ensuring easy and safe use for mechanics.

Using this socket tool is easy. First, select the appropriate way to connect it, such as using Pedro's snap - channel Pro Socket Handle, a 24mm socket or wrench, or a bench vise. Then, fit it onto the 16 - notch x 44mm external bearing bottom bracket cup or disc brake lockring you need to work on. When using it, make sure to apply steady and even pressure to avoid damaging the components. As for maintenance, after each use, clean the socket tool with a dry cloth to remove any dirt or debris. Store it in a dry place to prevent rusting. If you notice any signs of wear or damage, it's advisable to replace the tool to ensure continued safe and effective use.