Gauge + Grain: Works in Metal + Wood
gauge
/ɡāj/
noun
noun: gauge; plural noun: gauges; noun: gage; plural noun: gages; noun: weather gage; noun: lee gage
the thickness, size, or capacity of something, especially as a standard measure.
-the thickness of sheet metal
grain
/ɡrān/
noun
noun: grain; plural noun: grains; symbol: gr.
roughness in texture of wood, stone, etc.; the arrangement and size of constituent particles.
-"the lighter, finer grain of the wood is attractive"