Features: This spring scale dynamometer features precisely engineered spring balance, providing accurately measurements up to 10N. Ideal for physics experiments, it ensures precisely data collection for force analysis in educational settings. This dynamometer force gauge is both light weight and rustproof. Its sturdy construction withstand frequent classroom use while remaining easy to carry between labs. The large 20cm with bold markings allows quick and easy reading during demonstrations. Clear plastic casing provides visibility of internal mechanisms, enhancing students' understanding of force measurement principles. Rounded edges and smoothly surfaces eliminate sharply corners, making this spring scale dynamometer safe for student use. Perfect for school and university physics labs where safety is a priority. From basic weight measurement to advanced mechanics experiments, this dynamometer supports multiple physics applications. Its practical design helps educators demonstrate force concepts effectively in classroom settings. Specifications: Component: Plastic Diameter: Approx. 20cm/7.87in Weight: Approx. 1500g Package Includes: 1Piece Circular Shape Dynamometer note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color