♥Specifications Material: chrome vanadium steel (magnetic) Overall length: 65mm Shank shape: hexagonal shape Shank diameter : 1/4 inch Diameter of the hexagonal magnetic socket: 6 mm / 7 mm / 8 mm / 10 mm / 12 mm / 13 mm / 14 mm /15 mm / 17 mm / 19 mm ♥Size -1/4 outer hex shaft to 6mm inner hex shaft, length 65mm -1/4 outer hex shaft to 7mm inner hex shaft , length 65 mm - 1/4 outer hex shaft to 8 mm inner hex shaft, 65 mm length - 1/4 outer hex shaft to 10 mm inner hex shaft, 65 mm length -1/4 outer hex shaft to 12mm inner hex shaft, 65mm length -1/4 outer hex shaft to 13mm inner hex shaft, 65mm length - 1/4 outer hex shaft to inner hex shaft 14mm, length 65mm - 1/4 outer hex shaft to inner hex shaft 15mm inner hex, 65mm length -1/4 outer hex shaft to 17mm inner hex shaft, 65mm length -1/4 outer hex shaft to 19mm inner hex shaft, length 65mm ♥Package includes 10 x Hexagonal Magnetic Socket Thank you for choosing “”. 60 days of free after-sales service, worry-free return and exchange.