This is Husqvarna's 28 Inch Long, 3/8" Pitch, .058" Gauge Laminated Guide Bar. Heavy-Duty Performance & Reliability. Solid steel body and maximized rail hardness. Provides extreme stiffness and resistance to wear and tear. Ideal for daily use in the toughest conditions. Optimized Oil Hole Size & Position. Supplies exceptional lubrication, meaning less maintenance over time. Laminated Guide Bar. Efficient operation and increased durability. Compatibility:Fits Husqvarna models: 585, 592 XP® and 592 XP® G