cruciform zeiss cross pick
The cross pick is designed for 4-way cross (cruciform) locks.
What Is A Cruciform Lock?
The cruciform lock is known by many names. They are also called cross locks and Zeiss locks.
You will most commonly see cruciform keyways on steering wheel locks. They also appear on safes garage doors & padlocks
Cross locks still work off of the pin tumbler system. They are generally perceived as being more secure because of the four shear lines this information is wrong !!!