Can stand still, can rotate 360 degrees stylish and exquisite appearance Pull smoothly without hurting the ground Steering: universal casters Purpose: Furniture casters Maximum load: 30 (kg) Self weight: 0.110 (kg) Wheel width: 45 Scope of application: furniture, electrical appliances, office furniture/household/hardware products colour:black Material:Zinc alloy size:Product size: total wheel height 67MM screw height 15MM wheel diameter: 51MM screw hole diameter 8/10MM Wheel thickness: 11 (mm) Package Contents: 5 x Caster Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.