Toro T5HP-RS T5 12" Rapidset High-Pop Rotor. The Toro® T5 RapidSet rotor can be set in seconds. Engineered to use the slip clutch to adjust the arc, the T5 RapidSet rotor requires NO TOOLS for arc adjustments. Along with a five inch pop-up height of the Lawn model, the T5 RapidSet rotors feature exclusive Airfoil Technology™ standard and low angle nozzles that deliver classleading* distribution uniformity. Designed to save water, save time, and save money, the T5 RapidSet rotor is the only ¾” rotor needed to get the job done.