Improved Lat Exercises: Hand grips have been spaced better. Increased Safety: The 'J-Hook' designs are now longer & reinforced. Innovative Gravity Lock catches are included that provide an easy access in & out catch lock that ensures safety at all times. The Half Rack also has a number system for quick adjustments. Enhanced Durability: Uprights now with reduced unnecessary holes Better Hand Grips: Commercial grade hand grips with end caps for better feel. Build Your Workbench: You can customize your Workbench Half Rack to include the Utility Bench which provides lock & load access & the high/low cable system providing numerous cable driven exercises. The Chin Up bars come standard with the rack. Build Your Workbench Accessories: An access tube & knob lock pin have been incorporated into the optional Utility Bench providing the new Workbench Machine Accessories" to be added to your Half Rack System. WARRANTY Lifetime on frame (excluding paint finish); 2 years on component parts (bearings; spring pins) & 1 year on pads; grips & unspecified parts."