Stihl HT KM Shaft Extension/ Drive Tube Assembly 4140 710 7143 Bed ReDefiner Blades the AP 300 S is

the AP 300 S is compatible with a wide range of tools

PAS-280 and PAS-2620

The onboard battery slot can support both an onboard battery or a backpack battery for even longer run times

for blade wear

Stihl HT KM Shaft Extension/ Drive Tube Assembly 4140 710 7143 Bed ReDefiner Blades the AP 300 S isThis STIHL KombiSystem shaft extension extends the reach of your cutting attachments. When tall branches and shrubs are out of reach, add the HT KM shaft extension to your KombiSystem attachment. This extender lengthens the shaft by 37 inches. No more than one extension should be added. HT KM Shaft Extension Kombi System only DRIVE TUBE ASSEMBLY 1 M