The stanley tools fatmaxreg phillips bolster screwdrivers are colour coded and feature icon id for quick recognition of tip pattern and size'. '.strtoupper('t')hey have a chrome vanadium steel bar that resists bending and snapping'. '.strtoupper('t')he tips have been hardened for durability and precision machined for excellent head to fastener fit'. '.strtoupper('t')hey are fitted with a tri material handle, the inner core is moulded directly to the blade tang and then a polyprop outer with a tpr overlay for grip and comfort'. '.strtoupper('t')his large diameter handle provides excellent torque transmission and grip'. '.strtoupper('t')he design also features a tapered waist for fast low torque tightening'. '.strtoupper('t')hese screwdrivers can be used as an additional hexagonal bolster for high torque applications, when used with an open end spanner.the stanley tools fatmaxreg bolster screwdriver type phillips.size ph3.blade length 150mm.additional informationbull tip size ph3bull blade length mm 150