Our P647 punching pliers - effortless punching of concrete boxes. Our P647 punching pliers with punching insert for the entry openings of M25 pipes enable quick and easy punching of concrete building boxes and boxes. The effort required can be reduced by 50% with the practical hand punch, while the punching plates automatically fall to the ground thanks to the punching opening. The punching inserts on the opening cutter can be exchanged as required in order to be able to punch the concrete boxes precisely. For effortless punching with little effort - the P647 punching pliers from Primo. The advantages of our hand punching pliers at a glance: interchangeable punching inserts, punching sizes for M25 entry openings, 50% less effort required and easy punching in concrete building boxes and boxes.