Grove Stackable Shims are made in very fine thicknesses to allow small, precise increments of leveling or aligning. Multiple shims can be stacked to achieve shimming tolerances down to 1/32”. Grove Stack Shims can be used for many applications including curtain walls, window walls, aluminum, windows, & glass. Short-Stack Stackable Shims 1/16 x 1-7/8 x 3-1/8 (Case of 2,000)