Ganas Gym Equipment The G-6 Series Incline Bench G-633 Flat Bench provides a solid and stable training platform with the perfect combination of bench and storage rack. Optimal press training results are ensured through accurate positioning. Reinforced structure enhances stability and safety.The target muscles of the dumbbell flat press exercise are: pectoralis major, deltoid, anterior triceps synergist, serratus anterior, coracobrachialis, pectoralis minor.