Stone Coral Lab - 1 by Shofu SKU 935-0593AA 123 $23.99 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 Apple Pay Diners Club Discover JCB Mastercard Visa #1 HP Coral Lab Series Stones, Aluminium Oxide Grit, for Chrome-Cobalt and Nickel Alloys, Box of 12 Stones.