This versatile 226 pc. mechanics tools set includes a comprehensive offering of 1/4 in., 3/8 in., and 1/2 in. drive tools in 3 removeable trays. The set is housed in a ToughSystem® large case which is compatible with the entire ToughSystem storage line, and includes an additional removeable tray. The large case has an IP65 rating, making it dirt- and water-resistant to keep your tools safe.