The Ancra Aircraft ¼-Turn Assembly, Double Tapered is an essential component for those who need to reliably and safely transport rolling cargo, such as foot carts. This device is designed for efficient securement for greater safety when transporting these types of cargo. A loose cart can cause a lot of problems. The assembly rotates at a 90-degree angle so that it physically blocks the cart from rolling away. When it’s time to remove the cart, the assembly easily rotates back 90-degrees and stays out of the way.