LAD Workspaces® Heavy Duty Office Chair Nylon Twin Wheels Caster Pin Type/Load capacity-150 kg (Pack of 5 Pieces, Black) (50 mm, Black) (कुर्सी के पहिये)HEAVY DUTY CASTER: The heavy duty design supports up to a capacity of 150kg as a set of 5, the support brackets provide long lasting durability, you will be able to enjoy it for many years PROTECT YOUR FLOOR: These replacement wheels for office chairs are used to protect hardwood, laminate, tile, slate, and all other hard floors from damage. Note: Not recommended for thick tall carpets! UNIVERSAL OFFICE CHAIR CASTERS: The office chair casters are made