The Bahco BE-9787 Wrenches set contains a total of 25 pieces of tools that are designed for quick and accurate torque adjustment. The tools are made from chrome vanadium steel for strength and durability. The inch size includes 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 and 3/4 inch. The hex key sizes include 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10mm. The tools are color-coded for quick identification and the surface treatment helps to prevent corrosion. The tools also come with a reusable storage pouch.