Contents： Tamper Proof Bits & Sockets 3/8”D×5/16” Coupler 5/16” Hex Shank Bits (T7, 8, 9, 10, 15, 20, 25, 27, 30, 40, 45, 50, 55) 30mm Long 1/4”D Star Socket (E4, 5, 6, 7, 8) Matt Chrome Finish 3/8”D Star Socket (E10, 12, 14, 16) Matt Chrome FinishPackaging: 40set/18.6kgs/19.1kgs/0.89’