The "Mack" is part of the King Comfort collection of big man's chairs. Boasting up to 500 lbs. capacity and a 79" extended layout, this heavy-duty chair features a 7-gauge reclining mechanism, a 2.55 high-resiliency foam seat cushion, a steel coil spring seat box, and a reinforced steel arm structure. Simply put, it's the strongest recliner on the market!