E-Sockets Are a Must for Most Newer Vehicles. Includes Socket Storage Snap on Rail for Easy Storage. Drop , Chrome Vanadium Steel, Heat Treated. Permanent high visibility laser etched size marking on each socket for quick size selection when working. Colour:silver Material:steel Package Contents: 5 x 1/4inch Drive Sockets (E4, E5, E6, E7, E8) 6 x 3/8inch Drive Sockets (E10, E12, E14, E16, E18, E20) 1 x Socket base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.