Description Crafted with engineering plastic and stainless steel, these universal ball transfer bearings are designed for smooth and efficient movement. The sturdy construction ensures performance, making them ideal for furniture, appliances, and industrial applications requiring seamless mobility and rotation. Features -Color:Assorted Color -Material:Stainless steel, plastic -Size:1.70X1.20X1.20cm/0.67X0.47X0.47in -sturdy material: made from engineering stainless steel, plastic, these ball transfer units are lightweight yet strong, ensuring reliable performance for various demanding applications -Smooth rolling: stainless steel ball bearings reduce friction, providing seamless and effortless rolling, ideal for transporting precision instruments or delicate equipment -rotation design: the ball transfer structure allows 360 degree rotation, making it easy to maneuver in tight spaces and improving operational efficiency -Floor protection: designed to minimize floor damage, these caster wheels are for use under furniture, lab equipment, or workshop tools, extending the life of your surfaces - performance: resistant to wear and impact, these rollers maintain excellent functionality over time, reducing the need for frequent replacements and simplifying maintenancePackage list: 10 x casters