Available in 4.0mm, 4.8mm, and 5.5mm sizes, it caters to various chainsaw chain sharpening needs with its professionally quenched construction for high hardness and wear resistance Features an ergonomic nonslip handle for secure grip and control, ensuring compatibility with Barfell chainsaws for smooth sharpening every time Use this essential chainsaw accessory during your regular chainsaw maintenance routine to restores sharpness to chainsaw chains after cutting wood or clearing brush Crafted from premium high carbon steel, this chainsaw file delivers excellent durability and strength for efficient and long lasting wood cutting operations Ideal for woodworkers, landscapers, and craft enthusiasts requiring a efficient sharpening tool for consistent chainsaw maintenance, Manufacturer: JSGHGDF