Specifications Material: chrome vanadium steel (magnetic) Total length: 65 mm Shaft shape: hexagonal shape Shaft diameter:1/4 inch Diameter of hexagonal magnetic socket: 6 mm / 7 mm / 8 mm / 10 mm / 12 mm / 13 mm / 14 mm / 15 mm / 17 mm / 19 mm Size -Outer hexagonal shaft 1/4 to inner hexagonal shaft 6mm, length 65mm -Outer hexagonal shaft 1/4 to inner hexagonal shaft 7mm, length65 mm -Outer hexagonal shaft 1/4 to inner hexagonal shaft 8mm, length 65mm -Outer hexagonal shaft 1/4 to inner hexagonal shaft 10mm, length 65mm /> -Outer hexagonal shaft 1/4 to inner hexagonal shaft 12mm, length 65mm -Outer hexagonal shaft 1/4 to inner hexagonal shaft 13mm, length 65mm -Shaftouter hexagonal 1/4 to inner hexagonal shaft 14mm, length 65mm -Outer hexagonal shaft 1/4 to inner hexagonal shaft 15mm, length 65mm -Outer hexagonal shaft 1/4 to inner hexagonal shaft 17mm, length 65mm -Outer hexagonal shaft 1/4 to inner hexagonal shaft 19mm, length 65mm Package includes 10 x Hexagonal Magnetic Socket Thank you for choosing .60 days free after-sales service, worry-free return and exchange.You can buy with confidence.If you have any questions, you can contact us directly by Amazon email.The professional after-sales team will give you a satisfactory response within 24 hours!