FeaturesSatin chrome plated and black finish tipsColour coded to easily verify sizesNickel chrome molybdenum alloy steelSet of 6 torx screwdriversSizes: T6 X 50mm, T7 X 50mm, T8 X 50mm, T9 X 50mm, T10 X 50mm, T15 X 50mmTorx driver is used for 6 point star-shaped pattern screw heads, so prepare yourself with the Modelcraft 6 Piece Torx Screwdrivers Set. This is commonly found on automobiles, motorcycles, bicycle brake systems, hard disk drives, computer systems and consumer electronics. These Torx drivers have become increasingly popular especially in the construction industry.