The NAD model feeder (also known as a drive unit) is a four roll unit with pneumatic or hydraulic internal clamping cylinder. The NAD is suitable for operations that work with wire, tube and cable in coil making, cutting, forming and straightening applications and is manufactured in the German tradition of the highest quality. The NAD feeder utilizes a internal cylinder for maximum clamping and pulling forces in a compact package. The units can easily handle material diameters from 0.5mm – 15mm and are manufactured in three different sizes. Optional roll materials and grooving are offered to best suit unique applications and materials.