0.5N,spring scales with a hanging loop and an aluminium frame, force can be measured either in N or in gram,size:170mm×42mm, plated surface without rust spots, burrs and scratch.

Science Teaching Kits School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Spring Scale Science Teaching Kits used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Science Teaching Kits for Engineering Teaching Lab in Universities