The multi-head computerized weigher Mod. ARROW10/14T represents the best solution fo a packaging cycle rationalisation, allowing to combine a high productive standards with an accurate dosage precision. The weighing is made by 10/14 predosaging baskets mechanically opened using step by step engines, and by 10/14 alternate opening weighing baskets also operated by step by step engines. Evey basket can be manually removed, without the use of any tools, to have a cleaning and maintenance process more easy and quick.