The Stihl Spark Plug NGK CMR6H is a genuine OEM spark plug designed for HS 82 Hedge Trimmers and FS 410 Brush Cutters. It features high-quality alumina ceramics for reliable sparking, superior heat dissipation, and resistance to corrosion and fouling. The spark plug ensures efficient combustion, smooth engine starts, improved performance, and cleaner emissions for a wide range of Stihl outdoor power equipment.