JennAir - Cast Iron Wok Ring - Black

This wok ring has a 30-day return policy.

This wok ring is made of cast iron.

No, this wok ring does not require any tools for installation.

The package contains one cast iron wok ring.

It may work, but it would be very innefficient as a glass cooktop is already at a disadvantage when heating a wok. You would be better off just buying a flat bottomed wok.