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Glass Block xTool K9 50×50×80 mm — optical-grade glass block for engraving and testing
Summary description:
xTool K9 glass block, dimensions 50×50×80 mm, is an optical-grade glass block intended for precision engraving, laser calibration, alignment and display use. The rectangular solid provides stable, flat surfaces and consistent optical clarity suitable for inspecting engraving results, mounting as a workpiece or using in optical setups and demonstrations.