English Description: High-performance 3", 4", 5" medical-grade dual-wheel castors with 360 swivel mobility and total braking system, designed for hospital beds, trolleys, and medical equipment. Features plate-mounted fixing for secure installation, heavy-duty nylon wheels, and rust-resistant construction. Ideal for clinical, lab, or industrial environments requiring stability and safety. Key Features: Sizes: 3", 4", 5" dual wheels for enhanced load distribution. Swivel Total Brake: Smooth movement + instant full-wheel locking. Plate Mount: Robust flat-base design for stable attachment. Medical Compliance: Easy-clean, corrosion-resistant materials. Shipping: Fast dispatch, tracked shipping options. Perfect for medical carts, stretchers, or heavy-duty equipment needing reliable maneuverability and safety. Suitable for high-traffic healthcare settings.