Stanley fatmax screwdrivers flared tip stanley 0 65 143 the stanley fatmax screwdriver sets have a chrome vanadium steel bar allows high torque and reduces the risk of tip breakage and the handle is moulded directly to shaft for a virtually unbreakable bond which gives long life and durabilitythe soft grip handle gives a perfect combination of great grip and reduced fatigue in use and is colour coded for easy identification of the right tip type for the application the smooth domed end off