Primary and secondary school teaching instrument teaching dynamometer Spring dynamometer only , other accessories demo in the picture is not included This Spring Scale is made up of strong acrylic and is provided with a suspension & a load hook starting from a adjuster Comes with a capacity of 5N / 500gm / 5Kg it is commonly used for laboratory use and is used for determining weight by attaching it a hook Features : Dynamometer , Scientific experiment , Spring , Gadget, Manufacturer: Watreketal