This is a short extension rod for a control rod on light duty wreckers by Miller Industries. It is 3 1/2″ in length and can be used for different applications on a light duty wrecker. See Features for related wreckers and Brochures for reference charts. Used on Century 300 SeriesUsed on Holmes 400 SeriesProduct Dimensions: 3.58″L x 1″W x 0.36″LOutside Diameter: 0.36″