Precision Machined and perfectly balanced for a more randomized roll.</br>Dice and holder are anodized?? aircraft grade aluminum.</br>Magnetic closure.</br>Laser etched dots and logos.</br></br>Product Description</br></br>Precision Machined and perfectly balanced for a more randomized roll. Dice and holder are anodized?? aircraft grade aluminum. Magnetic closure. Laser etched dots and logos. Dice size: 0.630"16.01mm). Holder Size 2.3" x 0.9" (58.4mm x 22.8mm). Style dice: 1 solid dot dice & 1 stroke dot dice.</br><br/>http://www.amazon.com/gp/product/B01IPJQBYQQt