Stanley fatmax 10 piece screwdriver set parallel flared phillips stanley 0 65 439 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 gives long life and durability p the 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