Matrix Magnum Supine Bench PressMagnum Supine Bench Press MG PL13 Product is Manufactured to Order. Standard International Lead Time of Approximately 12 14 Weeks. Tone and build pectorals with our Magnum Supine Bench. Converging independent arms provide a natural path of motion, while dual grip positions offer greater training variety. Two storage horns provide ample room for plates. Features Converging independent arms provide a natural path of motion 2 integrated weight storage