... using zinc alloy• Black walnuts, butternuts, hickory,hazelnuts,pecans and crabs can be easily cracked• The multi-purpose tool ... we can supply the crackers in large quantity. We have mould-making workshop, zinc alloy die-casting workshop. And the main products include: ... 's also leather box workshop in our factory, and we can supply the leather package box in quantity. Warmly welcome your negotiation! ...