A-07 is a three-hole steel plate base weighing 496.7g, which is a pre-buried iron plate handrail column base plate accessory. It is made of a high-quality steel plate and has good strength and stability. The three-hole design facilitates precise connection and fixation with the handrail column. It is pre-buried and installed in the ground or other infrastructure, which can provide stable support for the handrail column and ensure the safety and reliability of the handrail system. This accessory is suitable for a variety of building scenarios, such as handrail installation on chairs, stairs, corridors, balconies, etc.