Matrix Magnum Multi-Adjustable Bench Low ProfileMatrix Magnum Multi Adjustable Bench LP MG A82 The Magnum Multi adjustable Bench is designed for maximum flexibility and comfort. The low 46 cm 17. 8" floor to bench height minimizes lower back stress and prevents arching. The bench allows for eight levels of angle adjustment to maximise exercise variety (0 75 degrees). The seat and back pad move in unison, minimizing adjustments and providing the perfect seat to pad angle at each setting.