Powerbuilt 80-Piece Auto Mechanic's tool sets will make a great addition to any pro or serious home mechanic's tool collection. This 80-piece collection offers great coverage of the most popular 1/4 in. and 3/8 in. drive sockets in shallow and deep styles, in both SAE and metric sizes. You'll drive sockets with precision using the 72-tooth sealed head ratchets and extension bars, which are included in this Powerbuilt Auto Mechanic's tool set. Everything is packaged in a durable storage case.