The thickest object sword swallowed is a giant screw driver with a shaft diameter of 2.5 cm (0.98 in) by Thomas Blackthorne (UK) on the set of El Show Olímpico, in Mexico City, Mexico, on 30 July 2008.

The shaft had a length of 52 cm (1 ft 8 in) although the min required is 30 cm (11.81 in)