External roll unwinder for large diameters. Roll core diameters from 38 mm possible. Maximum roll size of 400 mm can be accommodated. Maximum roll weight is 4 kg. All printable HellermannTyton products from the catalog can be used. External roll unwinder for large diameters. Roll core diameters from 38 mm possible. Maximum roll size of 400 mm can be accommodated. Maximum roll weight is 4 kg