Prime-Line GD 52286 Stop-Right Garage Stop Ball with Retracting Cord &ndash; Contact Windshield for Safe Garage Parking, Can be Connected to Garage Door so Ball Retracts SAFE GARAGE PARKING  This Stop-Right garage stop ball is designed to contact your car windshield when parking in the garage, so you can safely stop with plenty of room. RETRACTABLE  This garage stop ball can be connected to the garage door so that the ball will retract out of the way when the door is closed. EASY SOLUTION FOR SMALL GARAGES  This garage stop ball is a simple and easy DIY project to solve the problem of a garage with tight space for parking a car. Ensure a perfect parking job, every time! INSURES VISIBLITY  The bright yellow color of the Styrofoam ball ensures good visibility, so its easy to see, even when just entering the garage. EASY INSTALLATION  Installation is quick and easy and all necessary parts are included.