The package includes 4 brass threaded casters and 12 mounting screws, which is easy and convenient to install. install and use; Please confirm the detailed dimensions in the picture before purchasing. Note: The product is measured manually, there may be errors, please refer to the actual product! Please forgive me! High quality material: This caster set is made of high quality hard brass, durable, wear-resistant, dust and rust; resistant to wear, lightweight and portable, each caster can bear about 50 kg/110 pounds and has a high load-bearing capacity. Rotation 360° : The bottom roller can rotate 250° 360 degrees in multiple directions to meet different movement needs; By connecting the thick metal screw, the roller is securely installed, safe and can be used normally. PRACTICAL DESIGN: Brass caster wheels roll smoothly and easily without making noise, gliding effortlessly across hardwood floors, carpets, rugs and more. No damage is caused and the direction of furniture movement can