【Material】The handheld dynamometer is made of high quality plastic and iron material which is and has long service life. High quality materials can bring you a good experience 【Wide Application】The handheld dynamometer is widely used as basic teaching instrument in physics mechanical experiments. You can also use it to measure the mass of objects within 1kg 【Advantage】This handheld dynamometer is using high quality spring, this force meter can still maintain its measuring precision after many times of use 【Features】The spring dynamometer has standard structure design, small size and light weight which is very easy to operate and carry it 【Specification】This is a Newton force measuring instrument, with maximum measuring range of 10N. Length: 15.5cm/6.1in, Package weight: Approx. 48g/1.7oz, Weight: 0.0992080179 Pounds, Manufacturer: LiebeWH