The Husky 19-piece complete Accessory Set includes a variety of extensions, adapters and universal joints that are made from alloy steel for strength and long-lasting performance. The finish provides resistance to corrosion. The chamfered lead-in on both ends allows for quick and easy attachment to the drive tools and sockets. Set includes: 9 standard extensions- 1/4 in. drive (3, 6 in.) 3/8 in. drive ( 1-1/2, 3, 6, 10 in.) 1/2 in. drive ( 3 in., 5 in., 10 in.), one 3/8 in. drive 8 in. flex extension, 4 drive adapters (1/4F to 3/8M, 3/8F to 1/4M, 3/8F to 1/2M and 1/2F to 3/8M), 3 universal joints (1/4, 3/8, 1/2 in.) and 2 bit adapter sockets (1/4 in. and 3/8 in. drive).