Features adjuster and multiple scales ( 1N / 2.5N / 5N / 10N / 20N / 30N) for accurate weight in laboratory and educational settings Crafted from strong metal and acrylic with a suspension hook, ensuring long lasting for repeated use in various applications Measures 27x2.1cm for easy portability and storage, making it for classroom and lab use Suitable for laboratory experiments and practical demonstrations, providing reliably force measurement with its sturdy build Ideal for primary and secondary school teaching, this dynamometer helps students understand force and weight concepts effectively, Manufacturer: Kaeltsyn