Newton Dynamometer Gram Spring Scale Tubular Dynamometer 2.5N/10NOProscription: Features:This spring scale is composed of strong acrylic plastic and comes with suspension and load hook starting from the zero regulator. With a capacity of 2.5n/250g, 10N/1kg is commonly used for laboratory use and is used to determine weight by attaching it to a hook. A teaching instrument for teaching in primary and secondary school. Spring dynamometer only, other accessories demo in the picture are not included! Specification: Type: Dynamometer Spring Material: Plastic Applications: School, Home Features: Dynamometer, Science Experiment, Spring, Gadget Dimension: Total Length: app.21cm/8.27in Plastic Actuator: app.16.5x2.1cm/6.5x0.83in Color: Blue Quantity: 1 PcNote:1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1pc x Spring Dynamometer