Ratchet's Wrench is an unlockable in Sly Cooper: Thieves in Time. It replaces Sly Cooper's cane with Ratchet's Wrench from the Ratchet & Clank series. The wrench used is the Omniwrench Millenium 12 from the Ratchet & Clank Future series. In addition to the appearence of the cane changing, all coins will turn into bolts, which are the currency of the Ratchet and Clank games. They are worth twice the amount of money as coins.
Ratchet's Wrench is unlocked after collecting 50 Secret Sly Masks.