Usage Tips:Sturdy furniture casters, high hardness, no damage, can rotate 360 degrees, quiet and wear-resistant, smooth rolling, strong carrying capacity, stable and firm, safe to use! Retro style, traditional craftsmanship, the pursuit of simplicity, smooth lines, more beautiful and practical.It has a wide range of uses and can be used for piano legs, sofas, Chinese style furniture, European style furniture, retro furniture, etc. specification:-Name: brass casters -Material: brass + screw iron + rubber-Wheel diameter: 2.5 cm-Total height: 6 cm -Mounting plate diameter: 2.8 cm-Mounting plate thickness: 3 mm-Screw length: 2.8 cm -Screw diameter: 7.4 mm-Total load: 150 kgPackage content: 4 casters◆ Note:-Due to manual measurement, please allow a little error of 1-2mm.-L The monitor calibration is inconsistent and the color of the item shown in the photo may be showing slightly different from the actual item.