Nice Combination: You will get 12 pcs heavy duty castor wheels and 24 pcs screws, a practical set for daily use and replacement, with extra hardware for sharing Detailed Size Information of Caster Wheels 2 Inch: Wheel diameter is about 2 inches, thickness is about 0.8 inches, compact and portable Long Service Life: Made of PP plastic material, these small wheels are wear resistant, durable, and rust resistant for long term use Nice Bearing Capacity of Small Caster: The maximum load capacity of one wheel is about 15 kg (33 lbs). The maximum load capacity of four wheels is about 99 lbs when weight is distributed across three wheels (weight distribution may vary) Versatile Application: These casters are suitable for small equipment, machinery, shelves, furniture, and more. They can be used safely on concrete, tile, carpet, and wood floor surfaces These wheel attachments are made of durable material and are easy to store due to their compact size These 2 inch casters feature red and silver colors to complement your furniture style. They also make practical gifts for family, friends, neighbors, and colleagues Color: Red Material: Plastic Size: About 2 inches in wheel diameter Package Contents: 1 set x Mini casters Only the above package content is included; other items are not included Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm