Simple and straightforward, the Supatool socket set is great for DIY projects. Complete with a convenient 3/8 ratchet, this set is compatible with all impact tools. Each socket is heat-treated, chrome-plated finish, and made from carbon steel to provide strength and durability. This versatile socket set comes in various sizes and pieces to fit your individual project needs. - Heat-treated carbon steel construction - Chrome-plated finish - Storage case included - Includes:1x 1/4 Spinner Handle1x 3/8 Ratchet Handle1x 3/8 Extension1x 1/4(M) x 3/8 (F) Adaptor2x Spark Plug Sockets16x 3/8 Drive Sockets18x 1/4 Drive Sockets