Detailed Product Description ADT-W2 Grinding Cup Wheelspatent product:ADT-W2: Diamond-shape. Patent number: ZL01326663NOTE: W7ADS-W25T--ADT-W2 cup grinding Wheel, dia 7"/180mm, segment thickness 5mm, Super quality grade. Item No.DiameterSegment DimensionWidthThicknessinch/mminch/mmmmW4ADT-W24"/1000.8"/205W45DT-W24.5"/1150.8"/205W5DT-W25"/1250.8"/205W7DT-W27"/1800.8"/205