Bit Holder with 3/4" Standard Bit (Series 200). TechniGlass's revolutionary new grinder bit system—More affordable than conventional bits that freeze-up, corrode and flake. These bits absorb, do not reflect vibrations for a smooth edge (no chips). Quickly interchangeable for desired jobs. Attractive and suitably packaged on color-coded cards. Fits Inland, Gryphon and Glastar.