The largest retractable utility knife measured 816 mm (32.1 in) in length, 83 mm (3.26 in) wide and 268 mm (10.55 in) tall and was made by Olympia Tools International in City of Industry, California, USA. The knife was measured on May 1, 2012 at the Las Vegas Convention Center, Las Vegas, Nevada, USA.

As with the original Turbopro knife, the largest retractable knife’s blade fully retracted, and could be replaced with another blade inside the hilt of the knife. The knife weighed 65 llbs and was unveiled at the National Hardware Show 2012.