STIHL HT131 HT101 HT75 Pole Chainsaw Complete Telescoping Drive Shaft Assembly - New N. Never Used STIHL OEM Replacement Part - Complete Assembly Outer / Inner Parts ETC. Fits The Above Models (round tube style) But Also Fits Other Models / Gearhead Combinations & Most Pro Model Weedeater Engines Such As FS90R FS110R FS91R FS111R FS130R FS131R ETC - See Photo W/ Gearheads - Fits Each Of The 3 Styles (round tube). Check Out Our Store For More.