This carry case contains a 3/4" drive socket set. It includes 14 extensible pieces and 3/4" 6-point or 24-point sockets. They are made from high quality chromium-vanadium steel fully hardened and tempered, making a very durable and solid tool. This carry case is an essential tool for domestic or industrial use, mainly used for repairing cars, motorbikes, bicycles, etc.