2-in-1 Bicep Tricep Machine: This preacher curl bench seamlessly combines bicep curls and tricep extensions, helping you efficiently build and tone strong arm muscles. Transition effortlessly between exercises to target different muscle groups without switching equipmentCustomized Comfort and Fit: Enjoy a tailored workout experience with a 7-level adjustable seat and a 24-position adjustable sundial. These features ensure an ergonomic and secure fit for users of all sizes, promoting maximum efficiency during every sessionWeight Plate Compatibility: Designed for flexibility, this bicep curl machine supports both 1"" and 2"" weight plates with a maximum load capacity of 165 lbs (75 kg). Note: Weight plates are sold separately, allowing you to customize your training intensityHeavy-Duty Steel Build: Constructed from premium carbon steel, the bicep strength bench provides exceptional stability and durability. Its sturdy design withstands intense workouts, making it a reliable addition to your home or gym setupMore Humanized Details: Equipped with highly-elastic sponge padding, a comfortable lifting bar, and an intuitive switch mechanism, this preacher curl machine offers a smooth and comfortable transition between bicep and tricep exercises for an optimized workout