100mm Winch Snatch Ring - Recovery PulleyThe Wheel Is Re Invented Pulley Ring. In the realm of 4WD recoveries, pulleys have become a fundamental tool for two primary reasons: Mechanical Advantage and line angling. Mechanical Advantage Achieving twice the pulling force while using twice the rope length, pulleys are ideal for heavy duty recoveries where additional pulling force is required or when reducing the load on your winch and battery system is desired. Rope Redirection and Angling By