Adjustable Weight Bench with Preacher Curl, 900LBS Heavy Duty Roman Chair for Hyper Back Extension, 3 IN 1 Workout Bench Press. 【3 IN 1 Hyper Back Extension Bench】multifunctional Workout Bench is not only a Weight Bench, but also a Roman Chair, a Sit Up Bench, for Hyper Back Extension, Side Bends, Flat/Incline/Decline Bench Press, Dumbbell Flyes, Bicep Curls, Resistance Band Exercise etc.