Presented in a stylish compact size, the Invacare Pronto M51 power wheelchair with SureStep has true center-wheel drive performance for exceptional maneuverability and intuitive driving. Featuring a medium back van seat and innovative SureStep technology, the Pronto M51 provides a smooth, less jarring ride over transitions and thresholds up to two inches in height while maintaining stability. The Pronto M51 is attractively designed for optimum maneuverability and accessibility.