With this amazing simple tool you can prepare plates in stacks easily, quickly and carefully for clamp attachment.The function of the bar includes…The exact guidance of both bars sliding into each other to ensure a safe application at the point of contact.Through few powerful blows of the double bar handle, the wedge is pushed between the metal plates.When the bar is extended, leverage makes it possible to lift even heavy plates to cover the length of the wedge.In this position lifting equipment like Renfroe clamps can easily be applied for lifting