2pcs Fixed Caster Wheels 4 Inch Dia Rubber Caster Top Plate Blue Wheel 176lb Capacity

Wheel Dia: 100mm / 4inch. Wheel Thickness: 30mm / 1.18inch Rubber wheels offer the elasticity combined with the toughness and durability of metal wheels. Widely used on work benches, instrument cases, art tables, coffee table, plant stands, bookshelves, shoe bins, toy bins, shopping carts and so much more. LOAD CAPACITY: One caster capacity is 80kg / 176lb, total capacity for 4 casters is 240kg / 528lb (calculated by 3 casters ). Because when the floor is uneven, sometimes there will be only 3 casters bearing weight. NOTE: All size are measured by manual, please allow 1-2 mm deviation. Please make sure the mounting size and wheel size you need before buying, in case of buying the wrong specification casters. Please do not overload while using them.