Endurance T10HRC Commercial Treadmill with Heart Rate Control Lifetime tread belt and shock absorbent, low-maintenance deck Extra-thick and durable treadbelt; multi-ply treadbelt is fusion-seamed for strength Safety key stop system Case-hardened steel rollers feature a large diameter design with a wide radius Floor Space: 32 by 77 by 57 inches (W x D x H)