The S108 includes two plates, each with two tubes and two support loops. The internal tubes are 27 inches long and the external ones are 3.3 feet. It is sold as a complete kit, with no detachable or necessary parts.

• Resistance Levels: Available in five resistance levels.
• Color and Resistance:
  • Green: 8-24 lbs (3.6-10.8 kg)
  • Red: 12-31 lbs (5.4-14.1 kg)
• Note: Resistance refers to when the tubes are stretched 1-3 times their original length.