Number Grid 1-36 Large Full Solid
https://www.thermoplastic-markings.co.uk/shop/tme008-36lf-number-grid-1-36-large-full-solid-1814
https://www.thermoplastic-markings.co.uk/web/image/product.template/1814/image_1920?unique=4c0f250
Internal Reference:
TME008-36LF