Full and uniformgrainFull and uniformgrainHigh quality diamond forging:out of shape no longer easilyHigh quality diamond forging:out of form no longer easilyEfficient and durable:suitable for chain,metal,jade,ceramic and other grindingEfficient and durable:suitable for chain,metal,jade,ceramic and other grindingVarious specifications could be selectedVarious specs could be selectedVarious specifications could be selectedVarious specs would be selectedGeneral objective 3mm round rod