4pcs 3/4" Heavy Duty Swivel Caster Wheels with Brakes - Industrial Trolley Casters for Furniture & Equipment(3 in M10 4 No Brakes)

-Polyurethane material, with good environmental protection, wear resistance, nitrate resistance, alkali resistance, impact resistance, etc., safe and stable.-- Casters can be rotated 360°, smooth, wear-resistant, quiet, and with brakes, can be stopped at any time, stable and safe, and better protect your floor.Product specifications:Material: PolyurethanePacking: 4 rotation / 4 brakes / 2 rotations + 2 brakesWheel diameter: 75mm (3 inches), 100mm (4 inches)Wheel width: 21mm (0.8 inches), 27mm (1 inch)Installation height: 100mm (4 inches), 130mm (5 inches)Screw size: 10mm*30mm (0.4 inch * 1.2 inch), 12mm * 30mm (0.5 inch * 1.2 inch)Load capacity:3-inch casters: each with a load capacity of 75kg (165 lbs) and 4 load capacity of 225kg (496 lbs).4-inch casters: each with a load capacity of 90kg (198 lbs) and 4 load capacity of 270kg (595 lbs)

• High Load Capacity: Each 4-inch caster supports up to 90kg (198lbs), with a total load capacity of 270kg (595lbs), perfect for applications.
• Durable Polyurethane Material: Made from polyurethane, these casters are resistant to wear, nitrate, alkali, and impact, ensuring long-lasting performance.
• 360-Degree Rotation: Enjoy smooth maneuverability with full swivel capabilities, allowing easy navigation in tight spaces and enhanced flexibility for your furniture and equipment.
• Safety Brakes: Each caster features a reliable brake system, providing stability and security when stationary, protecting both your items and flooring.
• Versatile Usage: Ideal for a variety of environments including warehouses, hospitals, airports, and large furniture, these casters are designed to improve efficiency and reduce maintenance costs.