After all, you never know when you might need a tool with just a bit more punch and finesse as this Screwdriver. Good thing for you then, this high-performance screwdriver set is precision and brawn rolled into one. Magnetic tips are sure to hold the screws, but on the other hand, the design, made of hardened chrome vanadium steel, adds to its life expectancy.-Red and Yellow-Size (3.81x19.05x38.1)