Features Use Strip box dynamometer for teaching in primary schoolStructure It is mainly composed of shell spring panel pointer and so on Strip box dynamometer is a series of products Before use you need to zero If the scale is not accurate you need to adjust the stiffness coefficient Zeroing is divided into horizontal zeroing and vertical zeroing Scale value 0 5kg 5N min scale 0 2N Specification Brand KEPUModel 14002Material Metal PlasticMaximum range 5NMinimum scale 0 1NSize 15 3 5 2cm Package includes 1 5N Bar Box Spring Dynamometer