1¼” Unslotted Push Operated Waste.
The part that goes through the wash basin, is polished chrome when you order the A63 in colour 40 and colours.

Vola Colour Finishes
Made To Order Products: Estimated Delivery 4 Weeks​
Grey, Blue, Orange, Light Green, Yellow, Dark Grey, Mocca, Bright Red,
Dark Blue, Gloss Black, Gloss White, Carmine Red, Pink, Matt Black, Matt White
(Colour images for illustrative purposes only)