Different size Horseshoe Alnico Magnet
Painted With Keeper
This horseshoe magnet is carefully painted with the North and South poles marked.
Included is a steel keeper bar (not pictured) to protect the poles from damage or loss of magnetism.
Alnico is an acronym referring to a family of iron alloys which in addition to iron are composed primarily of aluminium (Al), 

Physics School Lab Equipment Suppliers in India

Ltekonline are the manufacturers of Horseshoe Magnet Electromagnetic Lab used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Physics Lab Experiments for Engineering Teaching Lab in Universities