Inspected Round 1" Aluminum Tags with CURRENT Year. 1" Round Aluminum tag stamped with current year. 1 Gallon Pail of 3,000 Tags. Stamped Aluminum 1” round inspected tags designate if a pole has been inspected, treated and in what year. Round tags help contractors better manage dated tag inventory. The round shape normally designates that the pole was inspected and treated with a remedial preservative. Aluminum tags and nails are the long lasting choice for wood pole owners. Aluminum nails and tags do not rust or fade.