SOG Specialty Knives and Tools is one of the original creators of multi-tools. Their knowledge and expertise in delivering a robust, highly functional multi-tools is hard to beat. What sets the PowerLock multi tools from SOG Knives & Tools is the patented Compound Leverage mechanism. This unique technology delivers a dramatic increase in the force that you are able to apply with the multi-tool when using pliers. Highly versatile and functional SOG PowerLock series multitools deliver again and again and are proven to be an indispensable tool in the field.