Stanley fatmax screwdrivers parallel tip stanley 0 64 978 the fatmax parallel tip screwdrivers have a chrome vanadium steel bar which 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 dome