This 17-piece jumbo impact set from Northern Manufacturing features sockets in various sizes ranging from 1-3/16in. to 3in. The set comes with a lifetime warranty and is made of high-quality chrome molybdenum material for durability. The sockets are designed to fit 1in. drive size and have a surface finish of chrome for a sleek look. The set is ideal for automotive repair and other heavy-duty applications. Multiple manufacturer part numbers are included in the set, and it comes as a single set item. *****UPDATE*** I JUST ADDED MULTIPLE OTHER SETS ALL FOR THE SAME PRICE 109 PIECES LARGEST SOCKET IS AN ARMSTRONG 3 1/8 THERES ONE ON HERE LISTED FOR $130.00 BY ITSELF