The 385.2g chair iron plate embedded plate armrest accessory column base plate A-01 is a key chair accessory. It is a 3-hole steel plate weighing 385.2g, which gives it a certain stability. The 3 holes on the steel plate are used to install the armrest column, which can be accurately connected to the column to ensure that the armrest is installed firmly and reliably. As an embedded plate, it plays an important role in the chair manufacturing process. Generally, it will be placed in a suitable position first, and then installed with the column to ensure that the armrest can withstand a certain amount of force in daily use. This iron plate material has good strength, which can effectively increase the stability and service life of the chair armrest.