BUck 531 Bucklock 1 and 2 Difference?

[532Sawby]

Hi,
Can someone please tell me the difference in the Bucklock ! and Bucklock 2 models. Thanks in advance,
Mike B

 

[Larry Oden]

Mike,
The Bucklock 1 knife is the model number 531 with one blade while the Bucklock 2 knife is the model number 535 with two blades. You did not address the 532, but it was called the Bucklock and was a downsized version of the 531.