The Goalsetter Awning Crank Height Adjustment Mechanism is a time-proven, economical system designed to raise and lower the basketball hoop rim. As the height of players grow, you can use the awning crank handle to raise the basketball rim to increase the challenge. Players of all ages and sizes can easily adjust the height. This awning crank handle is compatible with Goalsetter Tournament Series Basketball Hoops. Play the best with Goalsetter Basketball!