Erecting a steel building kit requires a variety of tools and equipment. Key essentials include a wrench set to tighten nuts and bolts, a level for ensuring proper alignment, a ladder or scaffolding for reaching higher areas, a hammer or mallet for securing bolts and fittings and safety gloves gear such as gloves, googles, and hard hats. You may need additional tools and equipment depending on the size and complexity of the steel building.