Master Series Prick 9 Row Spiked Pinwheel. Run this spiked wheel across the skin and other highly treasured areas for a devious prick of pleasure. The spiked sensation wheel is designed with nine rows of evenly spaced, needle sharp pins that turn smoothly as it rolls across the flesh. The Prick is ergonomically curved and ideally sized for anyone new to sensation play, in search of exquisite pleasure and calculated teasing. <br /><br />Measurements 5.25 inches in total length, wheel measures 0.75 inch in diameter. Materials ABS plastic, metal. Color Black. Medical theme tools, toys.