Highlights- Strengthen the arms, chest, shoulders and back through full range of motion movements
- Features professional strength tubing with comfort-grip handles
- Downloadable Exercise Guide included
OverviewSPRI Resistance Tube Medium, original Xertube from 1983, is used for most muscle groups to strengthen arms, chest, shoulders and back and more. Comes in four different resistance and is sold individually in Light, medium, heavy and ultra heavy. The variations are many and make these a perfect tool for a variety of exercises at all fitness levels. A must for your home gym or suitcase. Complete with SPRI Door Attachment for even more effective exercises. Natural rubber can become flammable in contact with sunLight, clean with cold water and wipe dry. Store in the dark.