Magnetisation rods, 80 mm, steel, set of 3

For experiments on magnetism:
Creating (magnetising) and demagnetising a magnet,
Interaction between a magnet and iron,
Cutting a permanent magnet,
Effect of a magnetic field on iron rods suspended side by side;

Three galvanised steel rods, each with an external and internal thread

Technical specifications (per rod):
Length: 80(90) mm
Cross-section: Hexagonal – 10 mm
Thread: M6
Mass: approx. 52 g