2-stroke 42.7cc Gas Backpack Leaf Blower Gas Powered Snow Blower Engine for Yard. Form: single cylinder air cooling, two stroke. Power form: mixed oil (petrol: two-stroke oil:25:1).The cruise control handle is equipped with an accelerator switch, which can be freely adjusted to control the amount of air volume and is suitable for a variety of places. Easy-to-start device, original wheel rope device, pull-plate start, convenient operation. Removable air duct, suitable length can be selected according to needs, easy to assemble and disassemble. Balance back strap shock absorption, relieve shoulder pressure, reduce back shock, comfortable and breathable. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday.