Adjustable : precise 1/4inch to 1inch height , perfect for leveling various floor gaps and uneven surfaces with a single set. Construction : Made from high strength ABS materials, resistant to deformation and long term wear, ensuring stable without cracking. Uniform Gaps Control : Ensures consistent spacing between floorboards, warping and uneven gaps for a professional finish. Wide Compatibility : Suitable for hardwood floors, laminate flooring, baseboards, and cabinets, making it versatile for multiple installation needs. Value Pack : Includes 12 pieces per set, providing ample quantity for both home hand craft projects and professional construction work.