【 Heavy-Duty Barn Door Hardware Kit – Solid & Reliable】 This barn door hardware kit is made of solid steel and includes high-performance barn door rollers with sealed ball bearings. With a 440 lbs weight capacity, it’s perfect for heavy-duty exterior barn doors and large sliding gates 【 Compatible with Box Rail Track Systems】 Designed for use with box rail tracks, this kit is ideal for exterior barn door hardware setups. Supports vertically hanging loads when mounted horizontally—perfect for hardware home projects like garden gates, barn sliders, or shed doors 【 Fits Specific Channel Sizes – Easy to Match】 Made to fit 1-3/4” wide x 2-1/4” high (or taller) channel posts. Not suitable for 1-5/8” posts. Ensure proper compatibility for your barn door hardware installation—great for DIYers and professionals alike 【Smooth and Quiet Sliding Door Wheels】 Built with high-precision ball bearings, our sliding door wheels provide effortless, silent motion. Even heavy doors can be pushed with just one finger. Perfect for long-term indoor or outdoor barn door hardware use 【 Complete Barn Door Hardware Kit Included】 Includes everything you need: 2 barn door rollers with door straps, 2 wall-mounted floor guides, and all required screws. Ideal for all your hardware home improvement projects or custom door installations Beam Trolleys