Check the listing for details. Foam Edge Protector for Gate Operator Arms Magnetic AutoControl. Condition: New. Listed at 30.00 USD. All Products | DF Supply, Inc. Product Information Click on the Image to Enlarge zoom_in Foam Edge Protector for Gate Operator Arms Magnetic AutoControl Model: KS01 Key Features: Size: 78" long Foam edge protects both vehicles and operator arms from hard collisions Easily and securely fits onto gate arms Foam Edge Protector for Gate Operator Arms Magnetic AutoControl Product Details Product Details Protect and prevent harmful damage being done to your parking garage/ toll booth gate arm by adding this easily to install foam edge protector. Designed to easily slide into place on the bottom of the gate arm this foam protector will help protect both cars and operator arms from hard collisions. This operator arm protector is 78" long.