Silicon molybdenum steel bits (S2) professional quality. CV steel socket wrench. With 1/4" drive. Colour guide system for easy bit choice. Mini ratchet box wrench for bits with right/left working direction converter. Socket wrench inserts with 1/4" adaptor, usable in connection with box wrench. In addition with universal magnet holder. Ideal storage of all parts with labelling in practical plastic folding box with see-through lid. Practical 360 degree rotatable belt clip. Contents: PH 1, 2, PZ 1, 2, Slot 4, 6 mm, Hexagon 3, 4, 5, 6 mm, TX 10, 15, 20, 25, 30, 40, Socket spanner inserts 6, 7, 8, 10, 11, 13 mm.