21 DUAL STAGE SNOW BLOWER Manufacturer RefurbishedDirty Hand Tools 21 Dual Stage Snow Blower. Clearing width and 20 in. 4 forward speeds and 1 reverse speeds. Recoil start for reliability. Rust-resistant exterior for durability. Includes Clog Removal Tool. 21 Inch Two Stage Snow Blower. Dependable and easy to use. 21 inch operating width. 20.