🚦 Product Information: Color RED, mod. JJF-40SSUH15 3" x 4" x 1/8". ✅Superior Support and Strength: Stack Shim provides heavy-duty leveling that is stronger than wood, ensuring reliable support for windows, doors, and architectural components. ✅Adjustable Thickness and Length: The shims offer flexibility with adjustable thickness and length, allowing for precise leveling in various installation projects. ✅Easy Snap Design: The shims feature an easy snap design, enabling quick and efficient adjustments during installation. ✅Excellent Compressive Strength: Stack Shim offers excellent compressive strength, making it suitable for heavy-duty applications and ensuring stability and durability. ✅Made in the USA: Proudly manufactured in the USA using high-quality plastic, Stack Shim guarantees a product that meets the highest standards of quality and durability. ✅Wide Variety of Options: Stack Shim provides color-coded shims and solid thicknesses, including black, blue, and red, catering to different needs and preferences. ✅Easy Alignment Every Time: With Stack Shim, achieving easy alignment is effortless, ensuring a square position without splits or warping. ✅Versatile Applications: Stack Shim can be used for windows, doors, architectural components, and various installations in industries, home gardens, and workshops. ✅Sleek and Professional Finish: The shims come in black color, providing a sleek and professional look to your installations. ✅Time and Labor Savings: Using Stack Shim saves time and labor costs, thanks to its easy-to-use design and precise leveling capabilities. ✅Secure and Stable Base: Stack Shim features a flat spacer design that ensures a secure and stable base, providing a level surface for your installations.