[Socket]: It 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 wrench with knurling. High Quality: Manufactured from chrome vanadium (Cr-V) steel, forged, heat hardened and tempered for added performance and durability. Note: Choose the size and shape you need. Item description: - [Socket]: It 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 wrench with knurling. - [High Quality]: Manufactured from forged chrome vanadium (Cr-V) steel, heat hardened and tempered for added performance and durability. - Note: Choose the size and shape you need. Content: 12pcs 1/2 hex bit set (Note: other accessories are not included). Item Features: Disc size: 1.27 cm. Material: steel. Number of pieces: 12. Set or single item: set. Socket type: standard. The size within 1-3cm size difference is within the normal range due to manual measurement. Color may have a little difference due to lights, screens.