The TurfCordz Squat Cordz is a versatile product that works the quadriceps, gluteus and shoulders.áDesigned to user friendly, this product can be used independently or with a step bench.áThe TurfCordz Squat Cordz features two 12in/30 cm long dedicated tubes attached to an 18in/45 cm center strap. Step bench not included. No removable components or replacement parts. Not interchangeable. Available 5 resistance levels. Red has 12 - 31 lbs if resistance.