The Protwist Screwdriver Sets are a range of class-leading screwdrivers offering strength, torque, and durability far above the competition. This new range features 4x improved corrosion resistance over previous models, virtually removing the risk of damage from chemicals or rust. Features and Benefits Class-leading tip life - Improved zinc coating doubles the tip life compared to other models Comfort & Performance - New handle material and design provides optimal comfort, grip and torque Inline Hardening - The inline hardening process makes the bar twice as strong, for incredible durability CNC tip machining - provides a better screw fit and maximum potential torque transfer Colour Coded - Each tip gets a unique colour for faster tool identification and unparalleled ease of use Notes Available in packs of different sizes & tip types Tip sizes built to fit the most common sizes