Complete Door Alignment Kit: 10 x Heavy-Duty Spacers (0.06"/1.5mm) for correcting large gaps and 10 x Ultra-Thin Shims (0.03"/0.75mm) for precise micro-adjustments. No need to guess which size you need—have both on hand for any repair Rough & Fine Tuning Mastery: Use the thick 0.06" shims to instantly lift sagging doors or fix severe misalignment, then stack the ultra-thin 0.03" shims to fine-tune the fit with millimeter precision. Perfect for eliminating door rubbing and ensuring the latch engages smoothly without over-correcting Durable Non-Compressible Material: Made from premium plastic/PVC that outperforms cardboard or paper alternatives. These shims withstand the weight of heavy solid-core doors without compressing, swelling, or deteriorating, making them ideal for bathrooms and high-humidity areas Fast "Loosen & Slide" Installation: Fix sticking doors in minutes without removing the hinges. Simply loosen the hinge screws, slide the appropriate combination of thick or thin shims behind the hinge plate, and retighten for an instant, permanent fix Universal Fit & Trimmable Design: Pre-molded with 5/8" radius corners to fit standard 3.5-inch hinges. Both the thick and thin shims can be easily trimmed with scissors to fit odd-sized hinges, blocking drafts and improving energy efficiency in your home