Magnetic aluminium "torpedo" spirit level
3 magnets on the underside help fix the level to ferrous work pieces
One horizontal, one vertical and one 45° angled vials
Crush proof, durable vials with high transparency for easy reading
Highly resistant to ultra violet light and fluctuations in temperature
Shock absorbent end protectors to reduce the risk of damage
Temperature proof vial mountings to reduce the risk of distortion