Periowise UNC Three Pack by Premier SKU 940-2262AA 123 $54.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Payment methods: We accept all major credit cards American Express Mastercard Visa Periowise UNC 12 Probe with markings indicating 1mm increments up to 12mm, Ideal (9006120)