●Antique Furniture caster wheels is made of antique brass plated steel and wheels are made of rubber material which are safe for all types of floor. ●Sturdy Material Construction; Rubber-made wheel has a smooth rolling rotation and is super safe. ●Carrying Capacity is 1ball 44 to 55lbs (20~25kg); 4 Balls 176 to 220lbs (80~100kg) ●Perfect for antique table, desk, office chairs, small dresser, old tea cart and many other small furnitures adding a vintage touch to your modern home decor. ●Easy Installation; Saves time and energy to complete your antique restoration or woodworking project.