diamond hook except for it’s hook shaped picking end in contrast to a half diamond. this tool is rarely used for raking but, it is the most basic lock picking tool and it is an all-in –all tool for a lock picker if he is to go by the traditional method. in a standard set of picks, a small selection with different sizes and hooks shape will be present.
this is more similar to the half diamond pick, the difference between this and the half diamond pick is the fact that the ball pick have rounded sides instead of straight ones as found in the half diamond pick. as mentioned earlier 