Features: There are 2 different types, 7 pieces hex socket bits/ 7 pieces torx socket bits, selecting based on your needs. Metric torque extension set that cuts the for time in half when removing hard to reach and corroded hex nuts. Chrome-Vanadium alloy steel sockets with surface galvanized that holds up job after job. Includes extra-long set (110mm x 3, 4, 5, 6, 7, 8 & 10mm/M4-M10) of hex/torx bit sockets to access tight spaces. Comes with a convenient storage carrying for case. Specifications: Material: for Cr-V Storage box size: 21.7x11x4.4cm/8.54x4.33x1.73in Socket Length: 110mm/4.33in Type: Hex/Torx Set(optional) Surface treatment: galvanized Metric Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x for Extra Long Socket Set