The whisk set only compatible with for automatic electric milk frother and warmerDoes not work on other models or .Whisk Set for Automatic Electric Milk Frother -015, -003, -003B (250ml) and -603, -615 (500ml)Hole size is 0.65x0.45cm.Colour:As ShownMaterial:plastic+metalTips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UsePackage Contents:2 * whisk setOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.