FatMax-Auto-Retract-Squeeze-Safety-Knife-Stanley-FMHT10369-0-p-The-Stanley-Tools-FatMax-reg-Auto-Retract-Squeeze-Safety-Knife-has-a-pressure-sensitive-blade-that-automatically-retracts-once-disengaged-from-the-cutting-surface-An-easy-squeeze-trigger-exposes-the-blade-and-helps-reduce-user-strain-A-blade-lock-helps-prevent-accidental-blade-exposure-p-p-The-knife-is-fitted-with-a-slip-resistant-bi-material-grip-for-comfort-and-control-It-offers-quick-tool-free-blade-change-There-is