The set contains (172 pieces) made of chrome resistant to corrosion and rust. It is as follows: First: Driving and Connecting Tools - 3 system wrenches with sizes 1/2 inch, 3/8 inch, and 1/4 inch with rubber grips (blue and black). - 1 x 1/4 inch manual screwdriver handle for manual operation of sockets and bits. - 3 extension bars: two with 1/2 inch size and one with 1/4 inch size. - 2 universal joints: 1/2 inch and 1/4 inch size for working in tight angles. Second: Short and Long Sockets 1. 1/2 inch sockets: - Short sockets: with sizes (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 27, 30, 32 mm). - Long sockets (5): with sizes (14, 15, 17, 19, 22 mm). 2. 1/4 inch sockets: - Short sockets: with sizes (4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm). - Long sockets (8): with sizes (6, 7, 8, 9, 10, 11, 12, 13 mm). 3. E-socket star sockets: - Sizes: E10, E11, E12, E14, E16, E18, E20, E22, E24 (plus E8). Third: Screwdriver Bits and Integrated Wrenches 1. Integrated 1/4 inch socket bits: - Star (Torx): T8, T10, T15, T20, T25, T27, T30. - Hexagonal: H3, H4, H5, H6. - Phillips: PH1, PH2, PZ1, PZ2. - Slotted: SL4, SL5.5, SL6.5. 2. Large loose screwdriver bits (1/2" Bits): - Star: T40, T45, T50, T55, T60. - Hexagonal: H7, H8, H10, H12, H14. - Phillips: PH3, PH4, PZ3, PZ4. - Slotted (Flat): SL8, SL10, SL12. 3. Additional accessories: - 2 spark plug sockets: 16 mm and 21 mm. - 1 bit adapter: converts 1/2 inch to screwdriver bits. - 1 sliding T-handle. - 3 small Allen keys: sizes 1.5, 2, 2.5 mm.