compact dimensions and weightrefreshing of tarnished jewellery from your shopsafe and gentle treatment of fine workpieces, no impingement on the workpiecessimultaneous Processing of workpieces with différent weight, size and geometryprocess consistency, homogenous results on the surfacequick exchange of working bowllow noise levelreliability and durability - polyurethane lining of the working bowl is extremely wear-resistant (8 timehigher than steel)