The G5™ GK-3® is a quiet & powerful Massage Machine designed for rugged use in the office, clinic, school, gym, training room or home. Each GK-3® has a 47 3/4" long, light-weight, smooth drive cable attached to a durable applicator head, to provide greater versatility and ease of use. The GK-3® incorporates a dial-controlled, variable-speed output, with speeds from 20 - 60 cycles per second. Unit Advantages: Economical Stand Mount or Portable Configurations Basic Control Panel with CPS Indicator (Low, Medium, High) Comes complete with choice of applicator package and support poles