Our file set was all made of high-quality chrome alloy steel, machined and finished for precision shape, accuracy and balance, ensuring the long-term use of the steel file set. With double-cut medium Swiss pattern teeth, it can be used for various precision applications, such as finishing, grinding and deburring in high precision fine or complex parts. The roughness level of the file is Grade 2, which can achieve smooth polishing. Each file has a knurled round handle, which can be held safely and stably and is suitable for fatigue-free use. This file set is packed in a PVC bag for easy storage.