Karnage Hyper Extension Bench - Roman ChairKarnage Hyper Extension Bench Roman Chair for Core & Lower Back Strength The Karnage Hyper Extension Bench Roman Chair is engineered to strengthen the lower back, core, and posterior chain with precision, comfort, and safety. Ideal for commercial gyms and serious training spaces, this bench is built from high quality steel with a sturdy 50 75 3 mm frame to handle heavy, repeated use. Designed for optimal biomechanics, the 50 degree training angle