[Socket]: This is a 1/2" square drive kit with storage box, as the picture shows. Bit Type: All bits are hex shaped, including HW5, HW6, HW7, HW8, HW10, HW12, HW14, HW16, HW17, HW18, HW19 and HW22. Features: The design is a hex key with knurling. High Quality: Made from chrome vanadium (Cr-V) steel, forged, heat hardened and tempered for performance and durability. Note: Please choose the size and shape you need. Item Description: - [Socket]: This is a 1/2" square drive kit with storage box, as the picture shows. - Bit Type: All bits are hex shaped, including HW5, HW6, HW7, HW8, HW10, HW12, HW14, HW16, HW17, HW18, HW19 and HW22. - Features: The design is a hex key with knurling. - [High Quality]: Made from drop forged, heat hardened and tempered chrome vanadium steel (Cr-V) for performance and durability. - Note: Choose the size and shape you need. Package Included: 12pcs 1/2 Hex Bits (Note: Other accessories are not included). Item Specifics: Drive Size: 1/2 Inch. Material: Steel. Number of Pieces: 12. Set or Single Item: Set. Socket Type: Standard. The size within the 1-3cm size difference is within the normal range due to manual measurement. The color may have a little difference due to the lights, screens.