Each finish has an abbreviated suffix added to the end of the product sku.

Chrome - C

Chrome & Matte Black - CM

Chrome & Stone Grey - CG

Chrome & White Frost - CW
Brushed Nickel - BN
Polished Nickel - PN

Brushed Gold - BG
Polished Gold - GD

Matte Black - MB
Matte Black & Brushed Gold - MG

Matte Black & Chrome - MC