- Jim Bolin
- 8.58 m x 3.47 m dimension(s)
- United States (Casey)
The largest key measures 8.58 m (28 ft 1 in) by 3.47 m (11 ft 4 in), and was achieved by Jim Bolin (USA) in Casey, Illinois, USA, on 28 September 2019.
The key is a replica of the key to the record holder's Chevy Silverado truck.