This precision micro file kit includes 6 hardened mini files with a 5 1/2 inch anodized aluminum handle that holds and stores everything in one unit. It also includes a pocket clip to keep it handy. The hardened steel chuck pressed into the handle holds each file tightly for precision work control. The barrel has a sur-grip knurled finish that guarantees a non-slip surface. If you do precision filework, this is your go-to tool for micro embellishment.