Witels Albert offers feeders (also known as drive units) the NAK two Belt Caterpillar unit with pneumatic internal clamping cylinder. The NAK 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 NAK feeder utilizes an internal cylinder for maximum clamping and pulling forces in a compact package. The units can easily handle material diameters from 0.5mm – 40mm and are manufactured in three different sizes. Optional belt materials are offered to best suit unique applications and materials.