Research-Grade Hands-On Engineering Model Atomic Models Set, Student, SKU 58002, is a United Scientific Supplies product for laboratory, educational, research, or quality-control use. The Research-Grade Hands-On Engineering Model Atomic Models Set, Student is designed for laboratory use. Precision-molded for consistent performance and repeatable results. Ideal for technical education, research, and quality assurance workflows. Engineered for durability in demanding industrial and laboratory environments. Compatible with a wide range of standard scientific setups and apparatus. The listed specifications include pack quantity of 1, dimensions of 9.5 x 8.0 x 2.0 (in), weight of 1.5 lbs (lbs). For purchasing records, the country of origin is listed as India. The row does not identify the item as autoclavable. Related use terms in the row include MODELS, ATOMIC, ATOMS, ELEMENTS, MOLECULES. In equipment-based workflows, this item supports classroom demonstrations, laboratory setup, measurement, or sample processing according to the stated use. Its main advantage is instructional equipment that supports applied mechanics, structure, or technical measurement exercises, which makes it a better fit for engineering classrooms, demonstrations, and practical exercises where physical setup matters than a more generic alternative. The difference is mostly functional: Compared with basic science labware, this type of item is intended for applied learning, assembly, and demonstration of engineering principles. For equipment or apparatus purchasing, confirm the stated specifications, operating limits, and any product documentation required by the lab before use. The row does not indicate California Proposition 65 applicability. United Scientific Supplies provides applicable CPSIA/CPSC compliance resources for covered items and general compliance statements for items where GCC documentation is not required.