Description: brand new and high quality Features: This Spring Scale is made up of strong acrylic plastic and is provided with a suspension & a load hook starting from a zero adjuster. Comes with a capacity of 2.5N/250g 10N/1kg it is commonly used for laboratory use and is used for determining weight by attaching it a hook. Primary and secondary school teaching instrument teaching dynamometer. Spring dynamometer only, other accessories demo in the picture is not included! Specification: Type: Spring Dynamometer Material: Plastic Applications: School, home Features: Dynamometer, Scientific experiment, Spring, Gadget Dimension: Total length: app.21cm/8.27in Plastic cylinder: app.16.5x2.1cm/6.5x0.83in Color: Blue Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Spring Dynamometer