https://aquateq.com/collections/manhole-openers/products/ancillary-equipment-sewer-accessories-aluminium-lever-with-hook

The magnetic lid opener is easy to use and the
optimal lifting tool for smaller lids. The sharp
Neodymium magnet firmly attaches to the lid. The
smart design makes it easy to release the tool from
lid and works on all magnetic surfaces.

Technical data:
• Length (folded): 46 cm.
• Length (fully extended): 75 cm.
• Holding force: 490 kg / 1000 kg (plain metal).
• Handle lids up to 600 mm (24″).
• Not designed for lifting grates.