M5 M6 M8 M10 M12 Cap Head Socket Allen Key Bolts Screws Nickel Plated 12.9. Thread Diameter:M5 M6 M8 M10 M12. Length:6mm – 100mm. Product strength: 12.9 grade. 100% Brand New And High Quality. Absolute guarantee of high quality and inexpensive! Package include: As You Choose. Any problem, please feel free to contact with us. We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. For the functional products in our shop, we make sure that the functions are the same as description, but the actual color and shape may looks a little different from pictures because of the technical improvement and manufacturing variance.