This hydraulic disc brake piston press tool is designed for efficient brake service and maintenance. Made from aerospace-grade aluminum alloy, it offers impressive hardness and reliability. The tool features a unique flat-push design, ensuring even pressure on the piston and preventing misalignment. It is suitable for MTB bikes and is used to reset the caliper piston easily. The tool is 17.5cm or 17.8cm in length, depending on the model, and has a black finish. It is a sturdy and durable tool that provides exceptional resetting power and is easy to operate.