Yato Hex Key Set Long Type with Ball 9pcs is made of a very high-quality shiny material and provides high performance on use. It is heat resistant, has anti-corrosion and is rust free, all of which increase durability. It has a compact design, making it easy to store and carry. It is a n ideal tool for assembling and disintegrating tools with hexagonal screws. It can easily mount and unmount screws without affecting the bolt head. The head length facilitates easy usage.