- Innovative Four-Sided Design : This metal file is expertly crafted with four distinct sides, featuring two rough edges for tackling tough and coarse rust, and two finer edges for gentle cleaning and a polished finish. Enjoy effective and thorough rust removal. - Ergonomic Comfort : Designed with your comfort in mind, the ergonomic handle ensures a secure, non-slip grip during use. The padded end adds to your comfort, while the built-in storage hole provides convenient handling. - Versatile Applications : Perfectly suited for precise work on European, Japanese, and American vehicles, this ultra-fine metal file boasts an extendable length of up to 10.2 inches and a slim 0.23-inch profile, making it ideal for navigating tight spaces. - Robust Durability : Constructed from high-strength CR-V steel and treated with manganese phosphate, this metal file is engineered to resist deformation and damage, ensuring long-lasting performance and reliability. - Practical Use Cases : 1. Remove rust from engine components where space is limited. 2. Polish metal surfaces on car bodywork for a professional finish. 3. Make precise adjustments in automotive repairs and restorations. Experience a reliable solution for all your metal filing needs with a tool that combines innovative design, ergonomic comfort, versatility, and durability.