JHC Magma Turning/Knife CopperCore Block Magma CopperCore Resin Chaos Block Beautiful Burnt Orange & Metallic Custom cast over our signature CopperCore creations! Great for a custom knife makers block or cut in multiple scales or perfecting a lathe turners project! 6 x 1 7/8 x 1 7/8 Custom Made in the USA in the JHC Shop