QSP Worker - 3.5" N690, Blue G10/CF Lockback QS128D QSP Knife Worker (QS128D) 3.5" Bohler N690 Satin Sheepsfoot Plain Blade Blue G-10 w/ Carbon Fiber Handle The QSP Worker is a sturdy utility knife featuring a traditional lockback mechanism, but it is... $87.79 $75.55 Choose Options