🌸This Spring Scale is made up of strong acrylic plastic and is provided with a suspension & a load hook starting from a 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 in the picture is not included! 🌸After sales: If you have any product issues, please contact us as soon as possible，Handle your problem. Your satisfaction is my greatest pursuit.