Features: Multi-Thickness Design (4 Sizes): This deck shim set includes 4/8pcs of plastic spacers with 4 height variations (1/8", 3/16", 1/4", 3/8"), providing precise leveling for deck boards, ensuring even gaps and professional results for both amateur and expert builders. Durable Plastic Construction: Made from high-quality, weather-resistant plastic, these deck leveling shims withstand outdoor conditions, preventing rot, rust, or warping over time—ideal for long-lasting deck repairs and installations. Versatile Deck Spacing Solution: Perfect for pool decks, patios, and wooden flooring, these multi-thickness shims help maintain consistent gaps between boards, improving drainage and preventing moisture buildup for a safer surface. Easy-to-Use Shim Set: Designed for hassle-free installation, these plastic deck spacers come in 4/8pc packs with clear size markings, allowing quick adjustments during deck building or repair projects—no extra tools required. Professional & DIY-Friendly: Whether you're a beginner or a pro, this deck building shim set ensures accurate leveling with 4 adjustable heights, reducing uneven surfaces and simplifying the installation process. Specifications: Material: Plastic Thickness: 1-16inch/3-16 inch/1-4 inch/1-8 inch Include: Choice 1: 4pcs * Plastic Deck Shims or Choice 2: 8pcs * Plastic Deck Shims