2PCS Spring Loaded Caster Wheels, Anti-Sag Door Support Roller, 0.98in 7mm Shock Absorption, 50kg Load Capacity, Silent TPR Bearing, U-Shaped Positioning Slot, Zinc Plated Mounting Bracket

Spring Shock Absorption: Built-in spring design provides 7mm of vertical floating space, effectively absorbing bumps from uneven floors to ensure smooth and stable movement. Silent TPR Bearing: Equipped with high-quality TPR material wrapping the bearing rollers to reduce friction noise during movement, providing a quiet experience while minimizing floor wear. U-Shaped Positioning Slot: The innovative slotted base plate works with the spring structure to provide a locking function, avoiding unwanted sliding of tables or door panels. Stable Support Design: Features a thickened, lengthened galvanized mounting bracket supporting up to 50kg, making it reliable for tatami drawers, sliding island tables, and door support. Simple Installation: Designed with a minimalist aesthetic and screw-fixed installation, this hardware provides a firm and reliable mounting tool for modern home and office environments.