The advantage of the Lifeline® Shape Aerobic Cable is progressive, variable resistance (isometric, isotonic). The cable is made of 100% latex with a tensile strength of approximately 3,000-psi. It has adjustable length and resistance and unique foam grip handles for maximum comfort and ease of use. It will fit in your glove compartment or purse.
3 resistance strengths: Low, Medium, & Heavy.

Lifeline® Shape Aerobic Cable wiih instruction booklet included - $24