●Durable - In tile and stone spacer application, shims eliminate slumping tile or stone on vertical walls due to weight. ●Easy Removal - The shims are easy to remove compared to standard spacers, due to the horseshoe design. ●Application - In general construction application, horse shoe shape wraps around bolts and anchors for solid shimming. ●Multiple Sizes Available - Four fractional inch thicknesses available - these can all be stacked for precise shimming. ●Strength - Hard solid plastic that does not compress under load.