brand new and high quality Features: Made of rubber and nylon, it is solid, durable, wear resistant, quiet, won'for t hurt the floor. It can swivel 360-degree pivoting action on smooth surfaces, convenient to use. Great replacement for your old or broken wheels, save for time and money. Swivel Wheels other accessories demo in the picture is not included! Specification: Material: Rubber, Nylon Length: app.9.8cm/3.86in Optional Size: S/for M Hole Spacing: As picture shown Optional Color: Black/Light for Grey Quantity: 1 Pair Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 2 x Swivel Wheel(other accessories demo in the picture is not included.) Made of rubber and nylon, it is solid, durable, wear resistant, quiet, won'for t hurt the floor. It can swivel 360-degree pivoting action on smooth surfaces, convenient to use. Great replacement for your old or broken wheels, save for time and money. Swivel Wheels other accessories demo in the picture is not included! Material: Rubber, Nylon