This gas chain saw is a commercial level Stihl 2-cycle (mixed) gas chain saw. This saw has a 17″ bar and is sharpened after every use. Gas chain saws must be used on flat ground only (not up in trees or ladders) and are not to be used on stumps or cutting into dirt. All of our gas driven equipment comes to you full of gas and does not need to be refilled before return. The user of this item must come in to receive full use and safety instructions. This item is only available during our open hours. No overnight rentals on this item due to insurance liability.