MATERIAL: The plated swivel casters are made of durable thermoplastic elastomer (TPE) and high-quality steel. The chrome-plated surface is rust and corrosion resistant and can last for a long time. SIZE: The L-shaped plate dimension is about 32mm×25mm (L×W), the mounting height is about 39mm, the wheel diameter is 25.4mm. LOAD CAPACITY: Each caster can hold up to 11kg, and the 4-pack has a maximum load capacity of 45kg, which can carry heavy objects. With TPE material, you can avoid scratches on your floor and keep quiet during use. 360-DEGREE ROTATING: The casters swivel 360 degrees, making it easy to move smoothly. 5 installation holes make installation easier PERFECT FOR: With L-shaped side design, saving mounting space, it is suitable for replacing baby crib, trolley, kitchen cabinet, storage shelf, coffee table, workbench and other movable furniture Specification: Material: TPE and steel L-plate dimension: 32×25mm (L×W) Wheel diameter: 25.4mm Mounting height: 39mm Feature: Mute