In EDC (and life in general), it’s good to have backup. Such was our thinking when assembling the work kit shown below, filled with items chosen to augment our standard daily loadout. After considering several lights to back up our trusty ThruNite Ti3, we settled on the PF04 Penlight from ThorFire. With additional power and size, the PF04 has served well in its big brother role. Read on to see how it stacked up in our four categories.