DURABLE METERIAL: Heat-treated S2 alloy steel bits, reduce wear-outs. Hardened treated Chrome-Molybdenum steel sockets, increase turning power. has superior hardness and high durability. : The surface is coated with black phosphate and polished, completely rust and corrosion resistant. Useful tool kit for automobile repairing and maintenance. CONVENIENCE: Insert the ratchet wrench smoothly and accurately. The sizes are laser-printed onto the socket for faster identification. Visible size markings for easy visibility, which can save your time. A set of ten specifications, more widely used. Universal 3/8in square drive. With a box for easy storage and carrying. 10-piece set of T-shaped 3/8 Torx screwdriver sockets,T20,T25,T27,T30,T40,T45,T47,T50,T55,T60. The excellent manufacturing process is suitable for working on various types of vehicles. Note:The plastic box style is random and No designation accepted does not affect the use. Colour:Black Material:steel Package Contents: 10 * Socket Tools Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.