The Allen keys have a conventinional end and a wobble end (ball joint) or up to a 25 angle (look at the pictures of the 2 ends together) The Torx keys have a conventinional end and a hole in the middle for security ends. (look at the pictures of the 2 ends together) Made with Chrome Vanadium with a satin finish. The shaft and ends have been hardened. So these will last a long time and fit correclty time after time. The handles are made from TRP grip and are ergonomic according to the size.