Features: High compressive strength. Rot proof. Water proof. Termite proof. Will not warp, swell or split. For inside and outside use. Color coded for ease of identification. Unique feature grips and holds the shim in place around the fastener during installation. Used in combination to achieve exact shimming depth required with no wastage. Usage: All types of shimming applications including: Window and door installation. Shimming of batons, baseboard and trim. Leveling of furniture, counter tops. Decking. Garden buildings and many more. Material: Polypropylene including post-consumer recycled material. U SHAPED GATE FEATURE Small Size In : 1-3/4 x 2-3/16