The Husqvarna 586938401 Combination Gauge is an essential tool designed for maintaining 325" 1.3 mm saw chains. This genuine Husqvarna part ensures accurate filing angles and consistent depth gauge settings, which are crucial for optimal cutting performance and safety. It simplifies the sharpening process, helping users achieve professional results by guiding the file correctly and setting the depth gauge to the precise specification for the chain type. Made for durability and ease of use, this combination gauge is a vital accessory for any chainsaw owner using compatible Husqvarna chains.