This part is a replacement shaft choke. This is a genuine OEM part made by Midwest Engine and has been sourced directly from the manufacturer. It can be used to replace a broken or otherwise defective shaft choke but in a variety of outdoor power equipment.The shaft choke attaches to the engine carburetor and allows adjustments to the carburetor itself by the user. Over time, this part may become worn or broken, requiring replacement. It's advisable to wear work gloves to protect the hands. It's important when working on or near an engine to make sure the equipment is powered off and completely cooled down before starting any repairs. For more accurate information on how and where to install this shaft choke, the appropriate owner's manual and equipment diagrams should be utilized.As an authentic replacement part, this shaft choke is suitable for use on several different models of small engine outdoor power equipment manufactured by Midwest Engine and various other brands. Please note that this is a genuine part made of high-quality, durable materials and is sold individually.