These quality ball end hex key socket sets from Sealey, are forged from Chrome Vanadium Steel for ultimate strength, which are then satin chrome plated for resistance against corrosion (It also looks good!). The ball end bits give you greater flexibility and allow fixings to be driven with the hex key shaft at angles up to 30 degrees, ideal for those awkward or hard to reach fixings. Even the greasiest of hands have no problem gripping the sockets with a knurled ring design. Supplied with socket rail for wall or tool chest mounting.Size Options3/8 Inch - 62mm Shaft - 3, 4, 5, 6, 7, 8, 10mm3/8 Inch - 100mm Shaft - 3, 4, 5, 6, 7, 8, 10mm1/2 Inch - 100mm Shaft - 5, 6, 7, 8, 9, 10, 12mmModel No:AK621Drive:3/8"SqLength:62mmContents:3, 4, 5, 6, 7, 8, 10mmModel No:AK6212Drive:3/8"SqLength:100mmContents:3, 4, 5, 6, 7, 8, 10mmModel No:AK622Drive:1/2"SqLength:100mmContents:5, 6, 7, 8, 9, 10, 12mm