360 degree universal wheels are more convenient movement effortlessly. Mainly carefully selected plastic materials and has a long practical life. Wheels for office chair are aesthetically designed to add a stylish touch, works perfect on any hard floors. Features - Color: Black -Material:Plastic - Size: 7.70X4.70X3.30cm/3.03X1.85X1.30in -Note: Without brake - Casters wheels allow easy operation and frequent movement, with strong gravity and durability. - Hard duty office chair casters fit for all hardwood floors, roll around the office or home with ease. - Chair wheels are designed for smooth and stable movement, and fit most office chair models available. - Mainly well made of plastic materials, with excellent craftsmanship, ensure the chair wheels have durability. - 60-degree swivel design for convenient furniture mobility, allowing you operate your chair with ease. Package list: 8 x Office Chair Caster Wheels