Number Grid 1-64 Large Half Solid
https://www.thermoplastic-markings.co.uk/shop/tme008-64lh-number-grid-1-64-large-half-solid-1825
https://www.thermoplastic-markings.co.uk/web/image/product.template/1825/image_1920?unique=4c0f250
Internal Reference:
TME008-64LH