Thousands of laboratories have made the switch from metal rings with this, our popular Avtek Super Ring ringless casting system in a convenient and comprehensive starter kit. Precision molded to permit equal expansion in all directions, Super Rings allow gases to escape during burnout, producing superior quality castings with perfect fit and accurate margins. Eliminates ring liners and dig out procedures entirely. For maximum casting versatility, the system is available in four size rounds and two size oval rings.

Key Benefits