[Features] s2 advanced alloy steel, whole body heat treatment, high torque, high hardness, wear resistance 32 batch heads +1 hexagon shank extension rod, the length of the batch head is 25mm, the length of the extension rod is 60mm [product information] Product name:33-piece electric screwdriver set Color:red Material:Carbon steel Size:65*30*48mm Packing list (you can get after purchasing one item): 33-piece electric screwdriver set*1 Please understand: 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Colors may vary from monitor to monitor.