The Stim-U-Lax Professional Massager provides a refreshing, energizing massage following any cutting service. Its powerful universal motor is designed for heavy-duty use. The lightweight and ergonomic contoured design reduces hand fatigue. Special frame design reduces had fatigue. Chrome housing and 100% ball bearing provides durability and high output. Brushes are easily changeable. UL approved, 120 volts, AC. Model 76103-100.