Grommet
Round Plastic Grommet
Size
50mm diameter, 75mm diameter, 100mm diameter and 125mm diameter

Square Plastic Grommet
Size
The upside size is 260x155mm and the bottom side size is 155x115mm

50mm diameter, 75mm diameter, 100mm diameter and 125mm diameter
The upside size is 260x155mm and the bottom side size is 155x115mm