Wheels of office chair

I just bought yesterday but it's not fit to my chair...i bought in 23$ with taxes. Material Details: 1: No need to put any mats to Cover your beautiful floors, these noiseless caster wheels protect hardwood, laminate, tile, slate, and all other hard floor surfaces. 2: This set of 5 casters is a nice choice to replace your hard, noisy, rough wheels. Black, Gray and white match and blend with any decor. 3: It is standard size 7/16 inch (11mm) diameter, 7/8 inch (22 mm) length stem, and easy-rolling 2¡± (50 mm) twin caster rubber wheels. 4: This 5 casters can hold a maximum of 330 lbs. Perfect for home or office using. 5: To ensure to protect the floor, the floors should be kept free from hard debris such as stone, sand, or anything that can damage the floor surface if rolled over.

• ConditionNew