Office Chair Wheels 2 Inch Chair Wheels 5PCS Wheels for Office Chair Office Chair Caster Wheels Replacement Floor Protecting Smooth Rolling Heavy Duty Computer Gaming Desk Universal Fit Standard Size auspowers_batchfour Pipe threads should be tightened inculd screw and tool Pipe threads should be tightened 2 1 2 turns past finger tight Sturdy Construction: The phone holder for desk boasts a heavy duty base and aluminum rod for great stability Welfare No need for floor mats at home and in the office Replacement wheels for office chair prevent scratching and damage to hardwood floors Very easy to clean Measures: Inch: 7 16 "steam diameter x 7 8" steam length Mm: 11mm steam diameter x 22mm steam length This office chair caster wheels is perfect for your chair and floor and also for carpets