The Foredom® Model SR is a top-selling flex shaft tool known for its robust performance. Featuring a 1/6 HP universal motor, it operates in both forward and reverse at speeds up to 18,000 RPM. The SR model combines power, reversibility, reliability, and versatility, meeting all key customer expectations. This American-made tool includes a standard 39″ key-tip inner shaft and outer sheath, compatible with all Foredom handpieces (except the H series).