Major Fitness Rack Mounted Leg ExtensionIf you want to take your leg workouts to the next level, Major Fitnesss leg extension rack attachment is the perfect addition to your home gym. You can easily affix this leg curl attachment to your Major Fitness power racks and Smith machines to get a powerful quad workout with leg extensions and a range of other exercises too! Note: Exclusive for Major Fitness Incompatible with other brands' Smith Machines & Power Racks!