YATO hexagonal sockets, offered in a very extensive program, work perfectly with YATO ratchets (and others of appropriate quality). They are made of durable CrV 50BV30 chrome vanadium tool steel. The sockets are made using drop forging and special heat and chemical treatment processes, e.g. chrome plating - for corrosion protection. Technical data: Length L: 76mm Hex size: 18mm Diameter D1: 23.0mm Diameter D2: 24.8mm Weight: 133g. EAN: 5906083912313