Height Adjustable: This bicep curl bench features a 4-position adjustable armrest (33.5"-40.2"), a 5-position adjustable seat (18.1"-21.7"), and a 5-position adjustable barbell rack (22.8"-30.7"), accommodating various body types and heights. Comfortable Pad: Equipped with a 3.1" thick preacher curl pad, this bicep curl machine ensures protection for both your chest and elbows during workouts, while the sweat-resistant PU cover adds durability and comfort.