... abrasion property could be indicated by measure the loss of weight, volume and thickness. This tester is suitable used for ... (default set value 60RPM)Loading250g, 750g, 1000g (bare weight 250g, attached stainless steel weights 250g, 750g, adjustable)CounterElectron ... (optional)Accessories1pc of specimen slicer, 1pc of wrench, 10pcs of sand papers, 1pc of specimen clamping frame, 1pc of vacuum cleaner ...