The whisk set only compatible with for automatic electric milk frother and warmer Does 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 Shown Material:plastic+metal Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 2 * whisk set Only 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.