Since there is a professional storage box for this set, which has various specifications of socket, bits and one wrench, it is practical, easy to store and carry. Adopting the high-quality material and fine workmanship, the socket and bits have good abrasion and corrosion resistance, and with the ergonomic design, the wrench is comfortable to grip and anti-slip. This set is mainly made of chrome vanadium steel, which is hard and durable. There are different sizes of the socket, bits and wrench. It can be used in appliance repairing, machine maintenance and so on. Item Name: Ratchet Wrench Socket Kit Material: Chrome Vanadium Steel Size Details: Ratchet Wrench: 124.2 x 32.3mm or 4.89" x 1.27" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Ratchet Wrench 12 x Bits (SL3.0, SL4.0, SL5.0, Square Bits PH1, PH2, PZ1, PZ2, T25, T30, S1, S2, AD) 9 x Socket Set (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm) 1 x 58mm Socket Rod