The universal arborist saw from STIHL. Economical and powerful 2-MIX engine. The universal arborist saw from STIHL. Very comfortable to start thanks to STIHL ErgoStart (E). Practical stop button function. Economical and powerful 2-MIX engine. Captive nuts on the sprocket cover. Arborist saws have been specially designed for working among tree branches and should only be used by trained arborists. This special saw is intended for professional users only and must be collected in person. WARNING: This chainsaw is only designed for users trained in tree maintenance. Using this tool without proper training may lead to serious injury!