Material of components: Chrome vanadium steel 
Added durability and long-lasting use 
Consists of the following items and their corresponding sizes: 
3/8" E-Socket - E6, E7. E8, E10
1/2" E-Socket - E12, E14, E16, E18, E20
3/8" T-Socket - T10, T15, T20, T25, T27
1/2" T-Socket - T30, T40, T45, T50, T55
Socket adaptor - 1/2" (F) x 3/8" (M)
Box contains a clearly labelled piece of paper indicating the different contents and their relative sizes for ease of reference