Stihl 4140 710 7143 HT/HL-KM CFK Shaft ExtensionFor those hard to reach tall branches and shrubs, add the HT HL shaft extension to your HT and HL KombiSystem cutting tools. This extension increases the shaft length by 37 while maintaining a lightweight profile under two pounds. Crafted from durable carbon fiber, it offers strength and resilience to handle regular, demanding cutting tasks.