The "estanboli" is a simple yet practical tool used in masonry work and for construction projects. This product is a medium-sized container shaped like a truncated cone. The container has an open mouth and is filled with mortar. In general, various tools are needed for different activities in construction, and the "estanboli" is one of these essential tools. https://shahrmaftool.com/product-category/مصالح-ساختمانی/استانبولی-بنایی/