STIHL HT-KM Shaft Extension is the addition to your KombiSystem, ing an extended reach for tackling tall branches and shrubs with ease. This extension increases the shaft length by 37 inches, providing enhanced flexibility for landscaping and yard maintenance tasks. Designed for optimal performance and safety, only one extension should be used at a time. Upgrade your STIHL KombiSystem attachment with this practical shaft extension to effortlessly access hard-to-reach areas and complete your outdoor projects efficiently. Model Number: 4140 710 7143