Leatherman Surge® - Stainless01 All Locking Features All locking features means that every tool and knife on the body of the handle, with the exception of the plier head, will lock into place. Note that the Crunch; however, does feature both all locking tools and plier head. The all locking design enables the user to operate individual tools safely and effectively. By locking them into place when fully open, the user can put pressure on the implement while safely completing the