INSIZE Manual Digital Rockwell Hardness Tester Basic Type with HRA, HRB, HRC, HRD, HRF, HRG Hardness Scale and Manual Load Control, HDT-RD160 is designed for reliable hardness evaluation of metallic components in manufacturing, inspection, and laboratory environments. This Rockwell hardness tester supports multiple scales, including HRA, HRB, HRC, HRD, HRF, and HRG, enabling users to assess materials with different hardness characteristics. Its manual load control provides direct handling of the testing force, making it suitable for controlled measurement procedures. The digital display helps present test readings clearly for convenient observation and recording. The robust construction is suited to routine hardness testing applications involving finished parts, machined components, and material samples. The INSIZE Manual Digital Rockwell Hardness Tester Basic Type, HDT-RD160 offers a practical solution for quality-control personnel, workshops, laboratories, and educational testing facilities requiring versatile Rockwell measurements. Its manual operating arrangement gives users greater control over the testing sequence while maintaining a straightforward workflow. The availability of HRA, HRB, HRC, HRD, HRF, and HRG scales expands its usability across a range of metallic materials and applications. The digital configuration facilitates easy reading of hardness values, while the basic design focuses on dependable operation without unnecessary complexity. The HDT-RD160 can support incoming material inspection, production verification, process monitoring, and final quality assessment.