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List: 1Pcs wheel

Support features: double steel balls and double steel bowls, which are made of high-quality and superior steel, are riveted, and the surface is mainly painted with black electrophoretic paint, which is oil proof, rust proof, scratch proof, etc.

Wheel features: It is made of imported high-tech polyurethane raw materials by injection molding.The wheel is equipped with precision bearing steel double bearings, making the castor super wear-resistant, silent, and high bearing capacity.Please feel free to purchase.

Please note that the load of 4 wheels can only be calculated as the sum of the load of 3 wheels,

Because there are always times when the road is uneven, the force on the four wheels cannot be uniform.

A little relaxation of the load will also help to extend the service life of the wheels