<https://bluewizardgaming.com/product/metal-dice-paladin-steel/#product>
<http://schema.org/description>
"Full set of metal dice sizing is as follows.\r\n\r\nD4 :  H 19mm / 0.748in\r\n\r\nD6 :  H 16mm / 0.629in\r\n\r\nD8 :  H 16mm / 0.629in\r\n\r\nD10 :  H 16mm / 0.629in\r\n\r\nD12 :  H 18mm / 0.708in\r\n\r\nD20 :  H 20mm / 0.787in"
<https://bluewizardgaming.com/product/metal-dice-paladin-steel/>