The WM-159-SC-PK from Brady Corporation is a black-legend, white-background vinyl cloth wire marker card measuring 0.36" W x 0.75" L (9.1 mm x 19.1 mm).
The WM-159-PK from Brady Corporation is a wire marker card measuring 0.36" W x 1.50" L (9.1 mm x 38.1 mm), with black legend on white background vinyl cloth.