320 3 Steel, 34 mm. feed roll, coarse toothing (80 teeth). It is suited for very thick material, like cardboard, pre-coated material, toe puffs, manmade material, whenever a high feeding force is needed. This roll is assembled on ball bearings. Contact us for info * mandatory fields I read the disclosure and I agree to the treatment of my personal data [cf7sr-simple-recaptcha]