[DETAIL] Description: Specification: Material: Chrome-vanadium steel Product size: 5 6 7 8 9 10 11 12 13mm/0.19 0.23 0.27 0.31 0.35 0.39 0.43 0.47 0.51 inch Shank diameter: across flats 6.35mm/0.25inch hex shank Usage: Screwdrivers nut driver socket bits Package Included:2x9pcs/set Note: Please allow slight differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding [ATTRIBUTES] - Hign-concerned Chemical: None - Brand Name: DUTRIEUX - Origin: Mainland China - Hign-concerned Chemical: None - Brand Name: DUTRIEUX - Origin: Mainland China - Operation Mode: Mechanical - Material: Other material - Power Supply: Use Without Electricity - Item ID: GL230173 - Origin: Jiangsu,China