This 3-piece kit is specifically designed to work on the most common types of fuel injection systems. Damaged or seized screws often need to be loosened off with the power of a drill and this set has everything you need to do the job. The bits are made from durable chrome vanadium steel, which is heat treated for maximum strength. The heavy-duty screwdriver is perfect for loosening and tightening screws. The handle is a unique ergonomic tool for pressing on stubborn parts. The Hex Wrench provides a good grip for turning bolts. A reliable and high quality screwdriver set to get the job done with ease. Additional Details ------------------------------ Product description: This 3-piece kit is specifically designed to work on the most common types of fuel injection systems. Damaged or seized screws often need to be loosened off with the power of a drill and this set has everything you need to do the job. The bits are made from durable chrome vanadium steel, which is heat treated for maximum strength. The heavy-duty screwdriver is perfect for loosening and tightening screws. The handle is a unique ergonomic tool for pressing on stubborn parts. The Hex Wrench provides a good grip for turning bolts. A reliable and high quality screwdriver set to get the job done with ease.