室内 ironwork balusters

Quick answer：

Ironwork balusters are decorative, typically wrought iron or steel, structures used in interior spaces as part of a railing system. They serve both aesthetic and functional purposes, providing support for staircases, balconies, or as decorative elements in room dividers. The craftsmanship of ironwork balusters can vary from intricate designs to more simplistic patterns, reflecting the style and taste of the home or building.