4 rollers – 4 steady speeds back and forward motion. 2 speeds are obtained by changing the position of the gears inside the housing, while other 2 speeds result from the switching of the bipolar engine (1400- 2800 r.p.m)
4 rollers for more efficacious feeding of the work piece.
Motor power enables any kind of feeding.
Resistant and protective electrostatic powder-paint.
Interchangeable gears have been sintered, carbonitried and tempered.