General description Sealey AK6228B Premier Black Stubby TRX-Star Socket Bit Set includes 12 pieces designed for professional use. The set features professional heat-treated Chrome Vanadium steel sockets, making it ideal for daily applications, especially in limited access situations. The stubby bits are made from S2 steel with a phosphate finish, ensuring durability and performance. Technical specifications Socket types: T8, T10, T15, T20, T25, T27, T30, T40, T45, T50, T55, T60 Material: Chrome Vanadium steel Bit material: S2 steel Other information Fully polished black chrome finish with machined and lacquered surfaces Knurled ring for extra grip with oily fingers Supplied on a socket rail Lifetime guarantee*