NSblok tuas manualadalah sejenis tuas manualmemblokiryang mudah digunakan dan dibawa. Dia terutama mengandalkan tenaga kerja untuk membawa beberapa ton barang. Ini banyak digunakan di pabrik, tambang, lokasi konstruksi, produksi pertanian, dermaga, gudang, terutama operasi terbuka dan non-listrik; dapat dikombinasikan dengan troli monorel untuk membentuk troli transportasi pengangkat manual, cocok untuk transportasi overhead monorel, dll.
NSblok tuas manual can also be applied to special specifications such as large tonnage and explosion-proof type. It is suitable for outdoor harsh environment and operation without power supply. It has high safety performance. NSgearbox and handwheel cover are resistant to external impact, equipped with world-class load chain, advanced structure and beautiful appearance. Small size, light weight, easy to carry, low hand pull, high mechanical efficiency, high body toughness, simple internal structure, using aluminum integrated structural frame, easy to disassemble and easy to maintain.
Manual lever memblokir have features and advantages that other lifting tools do not have. Chain hoists and electric hoists have many uses. But they cannot substitute for each other. After all, the  lever memblokirmanual, sehingga daya umumnya tidak diperlukan. Kerekan listrik sering digunakan di pabrik, jalur perakitan, dan adegan lainnya. Karena frekuensi penggunaannya yang tinggi, secara efektif dapat mengurangi biaya tenaga kerja.