... leather, fabric, paint, paper, floor brick, plywood, glass, natural rubber and so on..Grinding WheelDiameter 2 inches, Width 1/2 ... -stop.Specimen Sizeφ110mm, center hole φ7.5mmThickness1~6mm, soft and hard materials can be testSpecimen Clamping BlockEasy remove, as ... papers, 1pc of specimen clamping frame, 1pc of vacuum cleaner (self-made)Machine Dimension55×38×47cmMachine Weight30kg Power1,AC220V, ...