DESC: SHIPPING INCLUDED Requires Nautilus® NT 1800 Premier Half Cage. NT1800 Half Cage shown in picture is not included. Customize your home gym with the NT 1810 Smith Attachment. Commercial-grade linear bearings and precision machined solid steel guide rods provide liquid smooth operation and are designed to last for countless repetitions.Commercial-grade linear bearings and precision machined solid steel guide rods provide liquid smooth operation and are designed to last for countless repetitionsFor maximum security and comfort, the Nautilus® Premier Smith Attachment has 16 lockout positions for both weight bar and spottersTo ensure long life, we utilize an ultra-hard nickel-plating on the weight bar, which has a high resistance to scratching and flakingDimensions: 83"LWeight: 54-lbs (31-lb bar weight)Warranty: Frame - Lifetime, Parts - 10 Years, Labor - 1 Year Ships by Common Carrier Delivery.