Inspected Oval Tags No Date. 1" Oval Aluminum. 1 Gallon Pail of 3,000 Tags. Stamped Aluminum oval tag designates if a pole has been inspected. Use in combination with a date nail if the year inspected is required. The oval shape normally designates that the pole was inspected only and not treated; however, specific treatment tags can be installed in combination with oval tags, if required. Aluminum tags and nails are the long lasting choice for wood pole owners. Aluminum nails and tags do not rust or fade.