This guide bar is compatible with various Husqvarna chainsaws such as HUSQVARNA 350, 351, 353, 435, 440, 445, 450, and 450E. It has a length of 18 inches and is made of steel material. The featured style is smooth, and it has 72 drive links, .325 pitch, and .050 gauge. This guide bar is suitable for carving chainsaw, hot saw, and chainsaw, and it is designed with a 2-stroke engine type. With its HLN 250-72 model, you can be sure of the quality and durability of this product.