Ships with 5pcs office chair fixed casters, great for converting rolling office task chairs & drafting or stools with casters into stable stationary style, or replacing your old, worn glides. These casters make your office chair work carpet for easily or drastically sliding. Feature - Brand: STOBOK. - Color: Black. - Material: PU. - Size: 6.00X5.40X5.40cm/2.36X2.12X2.12in - Contemporary design, strength and performance make these replacement casters an for office and home furnishings. - The bottom is made of PU material, causes to the floor and no noise so as to keep quiet atmosphere. - Used to convert and office chairs with casters into fixed casters. - These glides remain stable across smooth floor surfaces such as wood, tile, and laminate. - With appropriate stems and fasteners, each caster can be used on wood, metal and tubular metal chairs, furniture and other equipments. Package list: 5 x STOBOK Chair Fixed Casters