Features: Enhances furniture mobilities with 20 reusable plastic screw on sliders, featuring scratch resistant designs for effortlessly chair/table movement on carpets and wood floor while protecting surfaces. Engineered screw mounted glides secure attach to furniture legs, offering plastic construction, universal sizing compatibility, and slip resistant stability during repeated use. Ideal for enthusiasts, homeowners, and professional assemblers seek relocation of heavy chairs, cabinets, and sofas without floor damage. For daily floor maintenance in living room/offices, enabling smooth furniture adjustments during cleaning or rearranging without requiring additional assistance. Plastic glides combine chemicals/heat resistance with easy cleaning surfaces, ensuring long time use floor protective across multiple furniture types and environment. Specifications: Materials: Plastic Size: Diameter 1.9cm/0.75inch, 2.2cm/0.87inch, 2.50cm/0.98inch, 3cm/1.18inch, 3.8cm/1.5inch, 5.0cm/1.97inch Type: As Picture Show, Six Type to Choose Package Includes: 20pcs Furniture Sliders Screw note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.