Gryphon grinding head replacement for Stained Glass Grinders, Fits larger models Inland, Glastar & Gryphon, 1" Standard grit 100/120.

Glass grinding head 1", by Gryphon from Calif. Since 1961 this company makes long lasting, quality grinding equipment.
Fits Larger models for Inland, Glastar & Gryphon Studio Pro Grinders.
We've used these bits for over 20 years, everyday & in glass classes.
Other cheaper brands can chip your glass & other expensive brands don't last any longer than Gryphon.