Solid, compact and effective, the Force USA Leg Extension is strong enough for gym use, while designed to fit into any home. Featuring SteelForce Structural Integrity and heavy-duty, DuraCoreأ¢â€‍آ¢ high density foam padding wrapped in sewn rip-stop VorTexأ¢â€‍آ¢ Upholstery, the Force USA Leg Extension is built to take a pounding. And, with an أ¢â‚¬إ“Class Aأ¢â‚¬آ‌ rating, the Force USA Leg Extension comes with a Lifetime Structural Warranty. The Force USA Leg Extension is unmatched in its class and will give you solid and intense workouts for many years to come!