Kalsi machinery co manufactures nipp master hn-310 nipping machine for pressing the spine of a book to give it a rice shape especially of hardbound books. The nipp master hn-310 hydraulic nipping machines are available with salient features like approx. 5 tonnes hydraulic pressure; nipping of the spine; and multiple strokes of hydraulic pressure can be operated to get desired size of spine. Some of the technical specifications of the hydraulic nipping machines include 310 mm book width; 110 mm maximum book spine; 10 mm minimum book spine; 440 v power requirements; and 2.25 kw total power load.