The DEWALT DWOAS7BL Blower Attachment is designed to work with the DEWALT DCST972. This durable add-on quickly converts your attachment-capable power head into a high-performance blower — the perfect tool for tackling a variety of tasks. Its axial fan design delivers a high volume of air, while the included concentrator nozzle allows you to precisely direct the airflow. Features High-Performance Blower – Delivers up to 500 CFM of air volume. Concentrator Nozzle – Directs airflow to the ground and increases MPH for effective clearing. Axial Fan Design – Moves a high volume of air efficiently for faster results. Includes (1) DWOAS7BL Blower Attachment (1) Concentrator Nozzle (1) Shoulder Strap Specifications Compatible With DEWALT DCST972 Packaging Length (in.) 44.80 in. Packaging Width (in.) 5.40 in. Packaging Height (in.) 6.25 in. Packaging Weight (lb.) 5.75 lb. Packaging Quantity 1