Wrench-it Bolts are switches found throughout Showdown Town in Banjo-Kazooie: Nuts & Bolts. They look very similar to Mumbo's Wrench and appear in every world, with their purpose being to activate, deactivate or control various objects. They are used by pressing 
and rotating the 
in a counter-clockwise motion
- “How are you getting on with the wrench? Finding new uses for it? Those bolts around town aren't purely decorative, you know...”
- —Lord of Games, Banjo-Kazooie: Nuts & Bolts